The purpose of this review is to explain the function of LL-37 in the pathogenesis of chronic sinusitis. LL-37 is the only human cathelicidin identified so far. LL-37 is an integral part of the innate immune,the role of which in chronic sinusitis is attracting more and more s attention.
Cathelicidins ; metabolism ; Chronic Disease ; Humans ; Sinusitis ; immunology ; metabolism ; pathology

Diagnosis, Differential ; Humans ; Medicine, Chinese Traditional ; Proteome

OBJECTIVE: To observe the effects of Xinfeng Capsule (XFC), a compound Chinese herbal medicine, on behaviors and myocardial ultrastructure in adjuvant arthritis (AA) rats. METHODS: Fifty-five rats were randomly divided into normal control group, untreated group, methotrexate (MTX) group, Tripterygium wilfordii glycosides tablet (TGT) group and XFC group. There were 11 rats in each group. Except for those in the normal control group, the rats in the other groups were all intracutaneously given 0.1 ml Freund's complete adjuvant in the right hind limb. Changes of behaviors and myocardial ultrastructure of the rats in different groups were observed. RESULTS: Voix pedis' swelling and arthritis index in XFC, MTX and TPT groups were all obviously improved as compared with the untreated group. After XFC treatment, the autonomic activities were obviously increased, number of errors in exercise period and test period were obviously decreased, step-down latency (SDL) was lengthened and escape latency (EL) was shortened. Overall structure of myocardial myofibril and the majority of cristae was intact in XFC group. The effects of XFC in improving the behaviors and myocardial ultrastructure were better than those of MTX and TPT. CONCLUSION: Changes of behaviour and myocardial ultrastructure of AA rats can be observed. XFC can improve the myocardial ultrastructure of AA rats as well as their behaviors.

Objective To study disfunction of activated T cell from peripheral blood and explore its role on pathogenesis in patients with refractory mycoplasma pneumoniae pneumonia (MPP).Methods T cell subsets and expression of membrane molecule on activated T cell in peripheral blood were measured in 26 refractory MPP patients by using immunofluorescence and flowcytometry,and compared with those of 18 control healthy children.Results The percentage of CD4~+ cell from peripheral blood in refractory MPP children was significantly lower than that in control group(P0.05).Conclusions There are disfunctions of T cell in refractory MPP patients in acute period,and the abnormal T cell activated disfunction may play an important role on pathogenesis.

Objective To observe effects of Xinfeng capsule (XFC) on platelet parameters,ultrastructure,p-selectin and therapeutic effect on rheumatoid arthritis (RA) patients in active phase.Methods Platelet parameters,p-selectin and reactive indexes of 60 RA patients in active phase were detected.RA patients were divided into XFC treated group (35 examples) and Zhengqing Fengtongning (ZQF) control group (25 examples) randomly.After a course of treatment,the therapeutic effect and changes of platelet parameters,p-selectin,reactive indexes of two groups were observed.Setting up a normal control (20 examples) and detecting above-mentioned indexes.Observing platelet ultrastructure of two examples with transmission electron microscope of per groups.Results Compared with normal control group,PLT,PCT,MPV,CD62P of RA patients in active phase was obviously increased.Platelet ultrastructure was obviously damaged.The excellence rate of XFC exceeded ZQF control group.After being treated,platelet ultrastructure of the two groups were obviously improved,and XFC group was better than ZQF group.Compared with ZQF group,PLT,PCT,CD62P were obviously decreased in XFC group.PLT,PCT were positively correlated with CD62P,IgG,ESR,CRP,RF,arthrpain,arthrocele.And PLT was positively correlated with arthrtenderness,morning stiffness time.Conclusion PLT and PCT of RA patients in active phase were increased,and have correlation with reactive indexes.It suggests that PLT,PCT can reflect reactiveness of RA as objective indexes.XFC can not only treat inflammation and delay the aggravation of RA patient by improving platelet ultrastructure.

BackgroundResearches demonstrated that the levels of soluble CD44 (sCD44)molecule in aqueous is significantly higher in primary open-angle glaucomous(POAG) eye than normal eye,but how the sCD44 would affect the expression of apoptosis protein in trabecular meshwork cells is below understanding.Objective The present study was to investigate the effect of sCD44 on the expression of regulatory proteins bcl-2 associated death factor bad in trabecular meshwork cells in the patients with POAG.MethodsHuman scleral tissue with trabecular meshwork were obtained from POAG patients during the surgery.The trabecular meshwork cells were primarily cultured by explant culture method and identified by immunochemistry.The third generation of cells were incubated with free-serum DMEM/F12 medium added differnt dosages of sCD44 (0,1,5,10,25,50 mg/L) for 48 hours.The expression of bad protein in cultured cells was detected using cell counting kit-8 (CCK-8) as the absorbance values at 490 nm(A,90 value),and the bad protein level in cultured cells was assayed by ELISA.ResultsThe cultured cells showed the positive response for laminin ( LM ),neuron specific enolase ( NSE ),fibronectin ( FN ) monoclonal antibodies.The CCK-8 assay showed that the A490 values of the trabecular meshwork cells in 0,1,5,10,25,50 μg/L of sCD44 groups were 0.2460±0.0019,0.1874±0.0015,0.1570±0.0016,0.1302±0.0019,0.1084±0.0018,0.0940±0.0020 respectively with a statistically significant difference among the 6 groups( F =14.922,P =0.000 ),and the A490 values in various dosages of sCD44 groups were significantly lower than the 0 μg/L sCD44 group (P=0.013,0.008,0.011,0.005,0.004).The ELISA assay showed that bad protein levels in 0,1,5,10,25,50 μg/L of sCD44 groups were ( 114.8461 ± 2.9560 ),( 137.8270 ± 2.4259 ),( 161.4194 ± 3.7381 ),( 170.9453 ± 3.2006 ),( 221.2252 ±4.3738 ),( 324.6167±4.4220) ng/L,showing a total difference among them ( F =16.610,P =0.000 ),and the bad protein levels in various dosages of sCD44 groups were significantly lower than the 0 μg/L sCD44 group( P =0.017,0.013,0.008,0.007,0.006).ConclusionssCD44 can contribute to the apoptosis of the trabecular meshwork cells in patients with POAG in certain dose range by regulating the apoptosis regulatory proteins bcl-2 associated death factor bad.

Acute Disease ; Child ; Cytokines ; blood ; Humans ; Purpura, Thrombocytopenic, Idiopathic ; blood ; immunology

Objective To evaluate the quality of the examination paper of the theory of Clinical Diagnostics,to explore and reflect on the teaching methods,so as to improve the quality of teaching.Methods Finals results of Clinical Diagnostics including 40 clinical undergraduates of Capital Medical University were analyzed.SPSS 20.0 was used to make analysis of the frequency,means statistics and normality of the examination paper.Kuder Richardson/Cmnbacha formula,percentage unification methods and so on were used to calculate confidence,validity,difficulty and degrees of distinction.Acquisition of relevant knowledge was assessed according to score distribution,while test paper quality was evaluated based on indicators including confidence,validity,difficulty and degrees of distinction.Results Test scores of 40 students were between 61 to 96 (83.64 ± 8.07).The degree of confidence (γ) for choice questions and subjective questions was 0.65 and 0.59 respectively;The validity (V) was 0.27;The overall difficulty (P) of the examination was 0.84;The degrees of distinction (D) were between 0.16 to 0.30.And the total points losing rate was 16.36％.Conclusion The examination is of medium difficulty and good degree of distinction,but the teaching strategies still need further adjustment in order to improve the students' ability of flexible application of the basic knowledge.

Objective To select the calibrator for the conventional measurement system of serum a-Amylase (Amy).Methods The Amy levels of forty frozen serum samples were detected by the IFCC reference method (reference system),the conventional system A which used the Bioassay routine reagent and Randox calibrator,and was calibrated by the Roche PNPG7 method,and the conventional system B which used the Bioassay routine reagent and Randox calibrator,and was calibrated by the Rondox liquid stable PNPG7 method,respectively,and the acceptability of the two conventional systems was evaluated.Results The regression equations of the measurement values between the IFCC reference method and the conventional systems A and B were Y =0.964X +0.376 and Y =1.095X + 3.131,respectively.Among them,X and Y represented the results of the IFCC reference method and the conventional system,respectively.Compared with the IFCC reference method,the results of the conventional system A was reliable.Condusion With the guidance of the IFCC reference method,the domestic biochemical reagents matched with the suitable calibrators may provide the acceptable results.