Résumé
Objective To investigate the effect of Mycobacterium vaccae vaccine combined with chemotherapy on immune function in treatment of children with pulmonary tuberculosis.Methods 89 cases with pulmonary tuberculosis from December 2010 to December 2013 treated in three hospitals in xinxiang city were randomly divided into control group and observation group.The control group was given regular chemotherapy,the observation group was given chemotherapy combined with Mycobacterium vaccae vaccine therapy.CD4 +,CD8 +,CD8 +/CD4 +and CD16 +CD56 +in peripheral blood were evaluated by FCM before and after treatment.Serum TNF- αand IL-10 levels were detected by the method of ELISA.Taking 3 sputum samples (night sputum,morning sputum and sputum at moment)of each patient to smear after treatment.Results Before treatment,there was no significant difference of each index between two groups.After treatment,CD4 +,CD4 +/CD8 +and CD16 +CD56 +in the observation group were significantly higher than that before treatment and the control group(P<0.05).The proportion of CD8 +in two groups was significantly lower than before treatment(P<0.05),the difference between groups was not statistically significant.Serum TNF- αand IL-10 levels decreased significantly in two groups than those before treatment and the control group(P<0.05).After treatment,the negative conversion rate in the control group was 90.9%(n=40),while 100%(n=45)in the observation group.The difference between two groups was statistically significant(P<0.05).Conclusion Mycobacterium vaccae vaccine combined with chemotherapy has a significant effect on children with pulmonary tuberculosis.It could significantly improve the immune function of children.
Résumé
Objective:To study the effects of Mycobacterium vaccae vaccine on eosinophil apoptosis,protein expression of Fas and bcl-2 in lung tissues of asthmatic guinea pig.Methods:30 guinea pigs were randomly divided into NS,asthma and Mycobacterium vaccae vaccine group.A guinea pig model of asthma was estbalished with OVA(ovalbumin).Each guinea pig of Mycobacterium vaccae vaccine group was injected intramuscularly with 22.5?g of Mycobacterium vaccae vaccine 10 days before OVA immunization.After the last challenge,TdT-mediated dUTP nick end labeling (TUNEL)technique was used to determine the apoptosis of eosinophils and immunohistochemistry method was used to determine protein expression of Fas and bcl-2 in lung tissue sections.Results:Guinea pigs of Mycobacterium vaccae vaccine group had a higher AI(apoptosis index) of eosinophils in lung tissues[(23.8?5.4)%]than that of asthma group[(4.6?0.7)%,P
Résumé
Aim To study the immunoregulatory effect of Mycobacterium vaccae vaccine on asthmatic guinea pig.Methods 30 guinea pigs were randomly divided into NS,asthma and Mycobacterium vaccae vaccine groups. A guinea pig model of asthma was formed with ovalbumin.Every guinea pig of Mycobacterium vaccae vaccine group was intramuscularly injected with 22.5 ?g Mycobacterium vaccae vaccine 10 days before ovalbumin immunization.mRNA expressions of IL-4,IL-5 and IFN-? in lung tissue,total IgE and ovalbumin-specific IgE in serum were determined. Results For Mycobacterium vaccae vaccine group guinea pigs, mRNA expressions(optical density value) of IL-4(0.060?0.018) and IL-5(0.052?0.006)in lung tissue were significantly lower than those of asthma group(0.111?0.025,0.106?0.030 respectively; both P