Objective: To observe the characteristic changes of specific immunological function of serum endo toxin level,spleen lymphocyte human leukocyte antigen(locus) DR(HLA-DR),limphopolesis and positive expression of caspase-3 in rats with sepsis and the effect of Xuebijing injection(血必净注射液) on their immunological function.Methods: Sepsis model was produced by cecal ligation and puncture(CLP).Seventytwo male SD rats were randomly divided into four groups: sham operation,model,levofloxacin and Xuebijing injection.Blood samples were taken from the vein in the abdominal cavity at 3,24 and 72 hours after the models were established, afterwards the rats were sacrificed and their spleens were taken out.Matrix development process was employed to examine the level of serum endotoxin,FACS flow cytometer was used to examine the expression level of HLA-DR,immunohistochemistry method was applied to examine the positive expression of caspase-3 in spleen,and the method of methyl thiazolyl tetrazolium(MTT) was employed to examine the lymphopoiesis.Results: The levels of serum endotoxin,lymphopoiesis and caspase-3 positive expression index in model group were obviously elevated than those of sham operation group,and percentage of HLA-DR was markedly lowered(all P

OBJECTIVE:To study the inhibitory effects of sinomenine(SIN)-loaded polylactic-co-glycolic acid-D-α-tocopherol polyethylene glycol 1000 succinate(PLGA-TPGS)nanoparticles(SPTN)on the proliferation of HCa-F cells in lymph tubes and ec-topic transplantation tumors in mice. METHODS:HCa-F cell suspension were incubated with normal saline,5-fluorouracil(FS), sinomenine solutions (SS),sinomenine PLGA nanoparticles (SPN) and SPTN,with concentration of 80 μg/ml. The cells were marked with CFSE,and then were injected with suspension 50 μl via one footpad of mice. Inhibitory effect of above suspensions on the proliferation of HCa-F in lymph tubes of mice was observed by fluorescence inverted microscope at 3,6,9,12,24 h(n=15). Mice were divided into normal control group,blank PLGA-TPGS nanoparticles (EPTN) group,normal saline group,SPTN group,SPN group,SS group and FS group with 10 mice in each group. The latter 5 groups were injected with relevant medicine 15 mg/kg,once a day,via tail vein for consecutive 10 days after the model of HCa-F cells-bearing ectopic transplantation tumor mice was established. The serum content of ALT,AST,γ-glutamyltransferase(γ-GT),ALB and T-BIL were determined;solid tu-mors were taken,measured and weighed,and the inhibitory rate of tumor was also calculated. RESULTS:The inhibitory effect of above solution on the proliferation of HCa-F cells in descending order was as follows:SPTN>SPN>FS>SS>normal saline. Com-pared with normal saline group,the serum levels of ALT,AST,γ-GT and TBIL of SPTN group,SPN group,SS group and FS group decreased,while ALB level increased(P<0.05);the amount of tumor volume increase and tumor weight in SPTN group, SPN group and FS group decreased significantly (P<0.05). The inhibitory rate of tumor in 3 groups were 49.62%,40.53% and 33.90%. CONCLUSIONS:SPTN can inhibit the proliferation of HCa-F cells in lymph tubes of mice,and can improve HCa-F cells-bearing ectopic transplantation tumor in mice. It is better than SPN and FS.

This study investigated the effect of arctigenin (Arc) on the cell activation, cytokines expression, proliferation, and cell-cycle distribution of mouse T lymphocytes. Mouse lymphocytes were prepared from lymph node and treated with Phorbol-12-myristate-13-acetate (PMA)/Ionimycin (Ion) and/or Arc. CD69, CD25, cytokines, proliferation and cell cycle were assayed by flow cytometry. The results showed that, at concentrations of less than 1.00 micromol x L(-1), Arc expressed non-obvious cell damage to cultured lymphocytes, however, it could significantly down-regulate the expression of CD69 and CD25, as well as TNF-alpha, IFN-gamma, IL-2, IL-4, IL-6 and IL-10 on PMA/Ion stimulated lymphocytes. At the same time, Arc could also inhibit the proliferation of PMA/Ion-activated lymphocytes and exhibited lymphocyte G 0/G1 phase cycle arrest. These results suggest that Arc possesses significant anti-inflammatory effects that may be mediated through the regulation of cell activation, cytokines expression and cell proliferation.

OBJECTIVE To study the characteristic change of the expression of caspase 3 of spleen in different sepsis rats.METHODS We designed sepsis model by cecal ligation puncture,divided into five groups,sampled tissue in 3,24 and 72 h after model built,and compared the change between groups.We employed the immuno-histochemistry to examine the positive expression of caspase 3 in spleen,and examined the index of apoptosis in different groups.RESULTS The result showed that three traditional Chinese medicine compounds could significantly cut down the expression of caspase 3 in spleen lymphocyte.CONCLUSIONS The three traditional Chinese medicine compounds could decrease the apoptosis of lymphocyte,and adjust the immunity.

Hemophagocytic syndrome (HPS) is a rare, life-threatening inflammatory response syndrome characterized by overactivation of the immune system, which leads to organ damage. Secondary HPS is usually triggered by infection, tumor and autoimmune disease. It has been clinically found that many HPS-like manifestations also occur during drug therapy. This article reviews the related progress of HPS induced by immune checkpoint inhibitors, ibrutinib and lamotrigine, in order to provide a guidance for clinical practice.

Objective To establish the GIOP model and extract BMSCs from the rat model.We aim to in-vesitigatethe effect ofrhPTH(1-34)for inhibiting β-catenin ubiquitination when combining with Micro-CT and bio-logical technology.We also investigate the influence of rhPTH(1-34)on the GIOP.Methods Female SPF emale rats wererandomly divided into normal control group,methylprednisolone group(model group),methylpredniso-lone+saline group(blankcontrol group)and methylprednisolone+rhPTH(1-34)group(test group). The proximal femoral cancellous bone was examined by Micro-CTand histopathological Staining. The expression of Wnt10b and β-catenin protein were detected. By comparing with inducedBMP-2,BMSCs were treated withrhPTH(1-34)and stained with ALP and alizarin red.Results(1)In Micro-CT,BV/TV,Tb.Th and Tb/N decreased,whereas Tb/sp increased in the test group comparedwith model group(P<0.05).ROI three-dimensional reconstruction of trabecu-lar bone in test group showed local bone repair;(2)Wnt10b and β-cateninexpression increased in the test group compared with the model model(P<0.05),indicating that rhPTH(1-34)can enhance the transcriptional activity of β-catenin(P<0.05)and promote the expression of Wnt10b andβ-catenin(P<0.05).Conclusion The inter-vention with rhPTH(1-34)can prevent GIOP by regulating the Wnt/β-catenin signaling pathway and inhibiting GIOP progress,which can improve the microstructure of bone.

This study compared the efficacy and safety of tiotropium bromide inhalation powder (spiriva) and doxofylline oral tablet (doxofylline) in the treatment of chronic obstructive pulmonary disease (COPD). A multi-center, randomized, double-blind, double-dummy, parallel-controlled study involved 127 eligible stable moderate to severe COPD patients treated with inhaled tiotropium dry powder (18 μg/day) or oral doxofylline tablets (0.2 g/time, 2 times a day) for 12 and 24 weeks. Before and after treatment for 12 weeks and 24 weeks, respectively, pulmonary function, 6-min walking distance and dyspnea index were recorded. The results showed that in both tiotropium group and doxofylline groups, after 12-week treatment, FEV(1), FEV(1)/FVC% and 6-min walk distance were significantly higher than those before the medication, while dyspnea index decreased as compared with that before treatment. After 24-week treatment, a slight improvement in the measures was observed as compared with that of 12-weeks treatment, but the difference was not statistically significant. With both 12-week and 24-week treatment, the effect of tiotropium was slightly better than that of doxofylline tablets, with the difference being statistically insignificant. The major adverse events in the tiotropium group and doxofylline group were observed in 9 cases (9.9%) and 12 cases (12.9%), respectively, and no statistically significant difference was found between them. We are led to conclude that both tiotropium at 18 μg a day and doxofylline tablets at 0.2 g/day (two times a day) are effective and safe for the treatment of COPD.

This study compared the efficacy and safety of tiotropium bromide inhalation powder (spiriva) and doxofylline oral tablet (doxofylline) in the treatment of chronic obstructive pulmonary disease (COPD).A multi-center,randomized,double-blind,double-dummy,parallel-controlled study involved 127 eligible stable moderate to severe COPD patients treated with inhaled tiotropium dry powder (18 μg/day) or oral doxofylline tablets (0.2 g/time,2 times a day) for 12 and 24 weeks.Before and after treatment for 12 weeks and 24 weeks,respectively,pulmonary function,6-min walking distance and dyspnea index were recorded.The results showed that in both tiotropium group and doxofylline groups,after 12-week treatment,FEV1,FEV1/FVC％ and 6-min walk distance were significantly higher than those before the medication,while dyspnea index decreased as compared with that before treatment.After 24-week treatment,a slight improvement in the measures was observed as compared with that of 12-weeks treatment,but the difference was not statistically significant.With both 12-week and 24-week treatment,the effect of tiotropium was slightly better than that of doxofylline tablets,with the difference being statistically insignificant.The major adverse events in the tiotropium group and doxofylline group were observed in 9 cases (9.9％) and 12 cases (12.9％),respectively,and no statistically significant difference was found between them.We are led to conclude that both tiotropium at 18 μg a day and doxofylline tablets at 0.2 g/day (two times a day) are effective and safe for the treatment of COPD.

Objective The nursing treatment ability scale of patients with nuclear radiation damagein the hospital was developed to provide an evaluation basis for improving the nursing ability of nurses with nuclear radiation damage. Methods The scale was prepared by literature review, expert interview and expert consultation, and a total of 330 clinical nurses from a third-class hospital was randomly selected as the research objects. The scales were issued for item analysis and reliability and validity test. Results The scales were divided into 6 dimensions, including basic knowledge of nuclear radiation damage, specialized equipment use ability, specialized ward management ability, basic nursing ability, specialized nursing ability and self-ability recognition, with 51 items. After exploratory factor analysis, there were 6 principal components, and the cumulative interpreted variance was 70.757%. The χ², df, χ²/df, CFI, IFI, TLI, NFI, PNFI, PCFI, RMSEA fitting indexes of confirmatory factor analysis were all acceptable. Cronbach's α coefficient was 0.976, the retest reliability was 0.823, and the S-CVI (S-CVI/UA) was 0.84. The evaluation content validityS-CVI (S-CVI/AVE) was 0.98, and the content validity I-CVI of the item level was 0.78～1.00. Conclusion The items and dimension Settings of this scale have been tested, and all indicators met the requirements. The reliability and validity test results were good. It can be used as a scale for preliminary evaluation of hospital nursing ability of patients with nuclear radiation damage.