Primary biliary cirrhosis (PBC) is considered to be an autoimmune liver disease. Its etiology is unknown. Pathogenesis of PBC is associated with many aspects such as genetic factors, environmental factors, independent activity of target antigen, T-cell autoreactive immune responses and so on. Recently, new materials that involved in the morbidity of PBC have been identified constantly. Antimitochondrial antibodies (AMA) are characteristic of PBC. In particular, AMA-M2 is highly positive for the serological diagnosis mark of PBC. At present, treatment still cannot be for the etiology of PBC. Symptomatic treatment and support treatment are main measures. Ursodeoxycholic acid (UDCA)is the only one recognized medication with specific effect on the PBC. At present, the liver transplant can increase the survival rate and extend their survival time for end-stage of patients with PBC. This article emphasis on the progress of pathogenesis and treatment of the PBC are reviewed to explore research.

Adult ; Electrolysis ; Humans ; Lipid Peroxidation ; drug effects ; Male ; Middle Aged ; Nickel ; adverse effects ; blood ; pharmacokinetics ; Occupational Exposure ; adverse effects

Objective To explore the clinical significance of urinary leukotriene E4(LTE4) in children with respiratory syncytial virus(RSV) bronchiolitis.Methods Forty infants with bronchiolitis were enrolled for the identification of RSV-Ag from the nasopharyngeal secretions.Forty cases who were found to be positive of RSV were put into RSV bronchiolitis group.According to the severity of illness,the infants in RSV bronchiolitis group were separated into 2 subgroups:mild illness group (24 cases) and moderate illness group (16 cases).Thirty healthy children were chosen as healthy control group.Urine of the patients in RSV bronchiolitis group was collected in acute phase (on the 1st day) and recovery phase (on the 7th day after the admission).Urine of children in control group was collected .Enzyme-linked immunosorbent assay was used to assay the level of urinary LTE4.Results The levels of LTE4 in healthy control group (M,Q) were 1.28 pmol?mmol-1,1.72 pmol?mmol-1,while the levels of LTE4 in acute phase in RSV bronchiolitis group (M,Q were 30.52 pmol?mmol-1,23.56 pmol?mmol-1,and the levels of LTE4 in recovery phase in RSV bronchiolitis group (M,Q) were 3.98 pmol?mmol-1,3.43 pmol?mmol-1.Urinary LTE4 levels in acute phase in RSV bronchiolitis group were significantly higher than those in healthy control group (P

Objective To observe the effect of blood-cooling and blood-stasis-removing Decoction on anti-double-strain DNA ( anti-dsDNA) antibody, anti-nucleosome antibody ( AnuA) and serum levels of interleukin ( IL) -6, 17, 21 in spontaneous systemic lupus erythematosus ( SLE) MRL/lpr experimental rats. Methods The experimental rats were divided into blank control group, model group, and high- and low- dose Chinese medicine groups ( 25.2, 12.6 g/kg respectively) , the treatment lasting 8 weeks. At the end of the experiment, the blood taken from the orbital veins was separated for obtaining serum, and then the serum anti-dsDNA antibody, AnuA, IL-6,17,21 levels were tested by enzyme-linked immunosorbent assay ( ELISA). Results The serum autoantibody and IL-6, 17, 21 levels of rats in the model group were increased significantly as compared with the blank control group ( P<0.01). The serum antibody and cytokine levels of Chinese medicine groups were reduced as compared with the model group, the difference between high-dose Chinese medicine group and model group being significant ( P<0.01). Conclusion Blood-cooling and blood-stasis-removing Decoction has certain effect on reducing the serum levels of anti-dsDNA antibody, AnuA, and IL-6,17,21, which may coniribute to one of its therapeutic mechanisms for SLE.

Objective To observe the changes of body weight,fat mass and skeletal muscle mass of rats after 4 weeks of intermittent fasting,and explore relationship with autophagy in skeletal muscle,so as to provide theoretical basis for intermittent fasting.Method Twenty male Sprague Dawley rats were randomly divided into a control group (Con) and an intermittent fasting group (IF),each of 10.The rats of IF group were forbidden to eat food every Wednesday and Friday,and the body weight of both groups was recorded weekly.After 4 weeks,Dual-Energy X-Ray Absorption (DEXA) was used to analyze the body fat mass,then the bilateral soleus was separated to record the wet weight and measure the cross-sectional area of the soleus fibers by testing laminin with immunofluorescence confocal laser scanning microscope.The form of autophagic vacuole of soleus was observed using a transmission electron microscopy.The expression of autophagy-related protein LC3,p62 and regulating protein AMPK,pAMPK and ULK1 were measured using Western blotting.Result After 4 weeks of intermittent fasting,the weight and fat mass of IF were significantly lower than those of Con (P＜0.01),but there were no significant differences between them in wet weight and cross-sectional area of soleus (P＞0.05).The expressions of AMPK,p-AMPK,ULK1 in IF were significantly higher than those in Con (P＜0.01).Compared with Con,the expression of LC3-Ⅱ/LC3-Ⅰ of IF increased significantly,while the expression of p62 decreased significantly (P＜0.01).Conclusion Four weeks of intermittent fasting decreases the fat mass significantly,and control the weight efficiently.Intermittent fasting can maintain the skeletal muscle mass by promoting moderate autophagy through the AMPK-ULK1 pathway.It should be a potential lose weight method for further research.

OBJECTIVETo investigate whether bortezomib can enhance the sensitivity of human prostate cancer (PCa) cells to natural killer (NK) cell-mediated cytotoxicity, and whether it produces the same effect on different PCa cell lines.

METHODSWe treated androgen-dependent PCa LNCaP cells and androgen-independent PCa DU145 cells with bortezomib at the concentrations of 0, 5, 10, 15, 20 and 25 nmol/L for 24, 48 and 72 hours, and then detected the proliferation and apoptosis of the tumor cells by CCK-8 and Annexin V/PI, respectively.

RESULTSThe proliferation rates of the DU145 cells treated with 15, 20 and 25 nmol/L bortezomib were (82.79 +/-2.04)%, (73.59+/- 2.95)% and (74.16+/- 6. 16)% at 48 hours and (71.24+/- 5.30)%, (51.20+/- 2.91)% and (38.02+/- 2.67)% at 72 hours, and those of the LNCaP cells were (77.04+/- 7.74)% , (42.61 +/- 6.62)% and (23.85 +/-6.04)% at 48 hours and (36.45 +/-7.02)%, (14.94 +/-5.76)% and (11.65 +/-5. 87)% at 72 hours, both significantly inhibited as compared with the control group (P <0.05). At 24 hours, the apoptosis rates of the DU145 cells treated with 15, 20 and 25 nmol/L bortezomib were (14.41 +/- 1.32)% , (16.13 +/- 1.55)% and (14.48 +/- 1.42)% , and those of the LNCaP cells treated with 20 and 25 nmol/L bortezomib were (12.77 +/- 1.28)% and (14. 84 +/- 1.65)% , significantly higher than those of the control group (P <0.05) , and the DU145 cells showed an even higher sensitivity to bortezomib than the LNCaP cells. Bortezomib failed to sensitize these two cell lines to NK cell-mediated cytotoxicity in short-term assay, while long-term assay manifested that the apoptosis rates of DU145 and LNCaP cells after treated with 20 nmol/L bortezomib + NK cells were (41.83 +/- 5.06)% and (30.31 +/- 3.62)% , respectively, significantly higher

CONCLUSIONBortezomib enhances the sensitivity of than those after treated with either bortezomib or NK cells alone (P <0.05). PCa cells to NK cell-mediated cytotoxicity and adds to the effect of current cancer therapies, and it is more efficacious for androgen-independent prostate cancer.

Apoptosis ; drug effects ; Boronic Acids ; pharmacology ; Bortezomib ; Cell Line, Tumor ; Cytotoxicity, Immunologic ; drug effects ; Humans ; Killer Cells, Natural ; drug effects ; Male ; Prostatic Neoplasms ; pathology ; Pyrazines ; pharmacology

Objective To discuss the applicated value of systematic nursing intervention in patients with severe pneumonia.Methods 100 patients with severe pneumonia were randomly divided into the study group and the control group,50 cases in each group.The control group was given routine nursing measures.The study group received systematic nursing intervention on the basis of routine nursing measures.The hospitalization time,satisfaction degree, treatment compliance and mentality were observed.Results The SAS scores of the study group before and after nurs-ing were (56.67 ±5.99)points and (38.92 ±5.31 )points,there was statistically significant differences between before and after treatment (t =9.235,P <0.05).The SDS scores of the study group before and after nursing were (62.58 ±6.14)points and (41.15 ±5.26 )points,there was statistically significant difference (t =8.623, P <0.05 ).The hospitalization time ,satisfaction degree and treatment compliance of the study group were (32.9 ± 6.6)days,(8.21 ±1.29)days,6.00%,86.00%,74.00%,which were significantly lower than (45.1 ±10.2)days, (13.56 ±1.77)days,16.00%,52.00%,48.00% of the control group (t =5.254,3.829,χ2 =5.236,8.292, 8.1561,all P <0.05 ).Conclusion Hsystematic nursing intervention can significantly improve the postoperative anxiety and depression,and improve the quality of life of patients with severe pneumonia.

Glaucoma,optical neuritis and trauma are optic nerve injury-related diseases.These ocular diseases cause irreversible damage of the vision and even blindness.The study on optic nerve regeneration is a powerful approach for rescuing vision and improving the quality of life of patients.Therefore,how to promote optic nerve regeneration is always the focus in ophthalmology.In recent years,great progression has achieved by modulation of cellular signal pathway,usage of glial cells,stem cells and neurotrophic factor,etc,which lays a basis for the treatment of optic nerve injury.Ophthalmologist should trace and participate in these researches to promote the development of regeneration medicine.This review summarizes these new approaches after discussing factors effecting optic nerve regeneration briefly and proposes questions to answer.

Objective:To observe the effect of diammonium glycyrrhizinate injection on bronchus,lung tissue and amount of eosinophils(EOS)in rats with asthma and to discuss the mechanism of diammonium glycyrrhizinate intervention on airway inflammation in asthma.Methods:To divide 60 male SD rats into 6 groups as following:normal control group,model group,dexameth group,high dose of diammonium glycyrrhizinate group,middle dose of diammonium glycyrrhizinate group and low dose of diammonium glycyrrhizinate group(n=10).After setting up the model of rats with asthma,we detect the EOS in both rats'blood serum and bronchoalveolar lavage and observe the pathological change in bronchus and lung tissue in rats of each group.Results:Not only the amount of EOS of rats in model group is bigger than that in normal control group(P

Object To observe the effects of rehmaionoside A on mice leukopenia models induced by cyclophosphamide. Methods Mice leukopenia models were prepared by ip cyclophosphamide and then treated with rehmaionoside A. The levels of body weight, peripheral hemogram, reticulocyte count, spleen index, bone marrow karyocyte count and contents of bone marrow DNA were determined. Results Rehmaionoside A could obviously raise the counts of white blood cell, red blood cell, platelet, reticulocyte and bone marrow karyocyte, contents of bone marrow DNA, and body weight of the leukopenia model. Conclusion Rehmaionoside A has apparent leukogenic and antianemic actions.