Abscess ; Cysts ; Female ; Humans ; Maxillary Sinus ; Tooth Diseases ; Young Adult

Apoproteins ; analysis ; Epithelium ; chemistry ; ultrastructure ; Humans ; Lung ; chemistry ; pathology ; Nuclear Proteins ; analysis ; Pulmonary Sclerosing Hemangioma ; chemistry ; pathology ; Pulmonary Surfactant-Associated Proteins ; analysis ; Secretory Component ; analysis ; Thyroid Nuclear Factor 1 ; Transcription Factors ; analysis

Aim To investigate the effect of curcumin on the expressions of NR2A, NR2B and apoptotic neurons in hippocampus after global brain ischemia-reperfusion in SD rats. Methods Global ischemic model induced by 4-vessel occlusion was adopted. Rats were randomly divided into 5 groups: sham group (SH), ischemia-reperfusion group (I/R), curcumin 30(Cur 30), 100 (Cur 100) and 300 mg?kg-1 group (Cur 300). At different time points after ischemia, animals were designated as subgroups 2 h, 6 h, 1 d, 3 d, 7 d. Cell morphology was observed on HE stain slides. The apoptotic neurons were detected in CA1 region by TUNEL method. Expressions of NR2A and NR2B in hippocampal CA1 and CA3/DG regions were detected by Immunohistochemical technique. Results At each time point the number of apoptotic neurons was much more in I/R group than that in SH group and Cur 100 group,and in Cur 300 group than that in Cur 100 group. The expression of NR2A was higher in the hippocampal CA1 and CA3/DG regions in Cur 100,Cur 300, Cur 30 and SH groups than that in I/R group at each time point(P

Objective To explore the mediator effect of coping styles in relationship between hope level and subjective well-being of empty-nesters in urban community.Methods 208 empty-nesters were tested with Herth Hope Scale,Coping Style Questionnaire and Subjective Well-Being to investigate the influence and the pathways of hope and coping styles on subjective well-being with structural equation modeling.Results Influence of hope level on subjective well-being of empty-nesters in urban community accorded with completely-mediated model (x2/df =1.971,GFI =0.955,AGFI =0.911,RMSEA =0.068),and influence of hope level mediated by positive coping styles accounted for 41.76％(Z=3.692,P＜0.01).Conclusion The influence of hope level on subjective well-being is mediated mainly by positive coping styles for empty-nesters in urban community.

Objective To explore the correlation between-173G/C gene polymorphism of macrophage migration inhibitory factor(MIF) and Henoch-Schonlein purpura(HSP),Henoch-Schonlein purpura nephritis(HSPN) in children in Jiangxi Province.Methods One hundred and thirty-one ethnic Han children with HSP were enrolled,including 80 children with concurrent nephritis(HSPN group) and 51 children without nephritis(HSP without nephritis group).One hundred and five healthy children were used as the healthy control group.Germline DNA was extracted from peripheral blood by Promega blood genomic DNA kit.Polymerase chain reaction-restriction fragment length polymorphism(PCR-RFLP) was used for genotyping the-173G/C polymorphism of MIF.Genotype distribution and allele frequencies were obtained by direct counting.Statistical analysis was performed by using SPSS 11.5 software.Allele and genotype distribution were compared by using the chi-square test.The relative risk of allele was described by odds ratios(OR) and 95% confidence intervals(95%CI).Results Three genotypes(GG,GC,CC) were detected in MIF-173 G/C.GG,GC genotypes were detected in HSP without nephritis and healthy control group.GG,GC and CC genotypes were detected in HSPN group.Mutant genotype(37.5%) and C allele frequency(20.0%) in HSPN group were significantly higher than those in healthy control group(20.0% and 10.0%,respectively)(?2=6.964,7.400,Pa

Objective To observe the interactions between a anti-interleukin-8 monoclonal antibody (anti-IL-8 mAb) carried targeted ultrasound contrast agents and the injured vascular endothelial cells,as well as to explore the role of IL-8 in the formation of atherosclerotic plaques and a new assessing method of vascular endothelial functions.Methods The targeted ultrasound contrast agent was prepared by using a erosslinking agent to couple a anti-IL-8 mAb with SonoVue microbubbles.The interactions between SonoVue microbubbles/the targeted microbubbles and normal/injured endothelial cells were observed under an inverted microscope,respectively.The numbers of endothelial cells and adhered microbubbles were counted under high power magnification.The ratio of microbubbles to endothelial cells was calculated for the quantitative analysis of the interactions.Results In the control group,only a slight amount of original SonoVue microbubbles were bound to normal/injured endothelial cells.In contrast,it was visible under the microscope that the anti-IL-8 mAb carried SonoVue could be bound to endothelial cells,and the number of microbubbles bound to the surface of injured endothelial cells was significantly higher than that bound to the normal endothelial cells.Conclusions The anti-IL-8 mAb carried targeted ultrasound contrast agent could be readily bound to the surface of the injured cells specifically,and thus suggesting a new direction for ultrasonic detection of vascular endothelial injury and the ultrasonic assessment of vascular endothelial functions.

ObjectiveTo explore the correlation between IL-6-634C/G gene promoter polymorphism and body mass index (BMI),blood sugar (BS),25-hydroxy vitamin D (25-OH-D),and serum lipid levels by investigating in 8-12-year-old Han children in Shanxi province,China.MethodsIn Datong city of Shanxi province,214 8-12-year-old children were enrolled after obtaining informed consent from their parents.The weight and height were measured and the BMI was calculated.BS,serum lipids,and 25-OH-D were determined.IL-6-634C/G polymorphism were detected by polymerase chain reaction restricted fragment length polymorphism.The effects of genotype on BMI,BS,serum lipids,and 25-OH-D were also studied.ResultsThe genotypes of IL-6-634C/G polymorphism in 214 cases were GG ( 15％ ),GC (40％),and CC (45％).The percentages of C and G allele frequencies were 65％ and35％.The genotypes and allele frequencies showed no gender differences ( P ＞ 0.05 ).However,significantly different GG genotypes frequencies were found between overweight and obese children (38.3％) and other children ( normal weight children: 7.3％ ; thin children: 10.9％ ) (x2 =14.715,P =0.006).Multivariate logistic regression analysis showed that IL-6-634C/G polymorphisms and triglyceride were correlated with overweight and obesity (P ＜ 0.05 ).25-OH-D was not correlated with BMI (r =0.075,P =0.528),BS ( r =0.018,P =0.880 ),triglyceride ( r =- 0.097,P =0.417 ),high density lipoprotein cholesterin ( r =0.038,P =0.751 ),and low density lipoprotein cholesterin ( r =- 0.028,P =0.817 ).25-OH-D was not significantly different between overweight and obesity children.The distribution of three genotypes showed no correlation with 25-OH-D deficiency (x2 =0.622,P =0.733 ).ConclusionsIL-6-634C/G polymorphism exists in Han children in Shanxi province.IL-6 gene 634 GG genetype is a risk factor of childhood overweight and obesity,and may affect lipid metabolism.However,it has no direct impact on glucose metabolism.IL-6 gene 634C/G polymorphism and serum 25-OH-D are not relevant.IL-6 gene 634C/G polymorphism is not related to vitamin D deficiency diseases,and may be not related to bone calcium metabolism.25-OH-D is not relevant with BS and blood lipids level,and also is not associated with childhood overweight and obesity.

Objective To explore the changes of pathogens and antibiotic susceptibility in a respiratory ward.Methods All pathogens isolated from patients in a respiratory ward from 2001 to 2005 and the drug susceptibility results were retrospectively analyzed.For patients with more than 1 isolates of the same species, only the first strain of pathogen was included for analysis. The isolation and identification procedure was based on guidelines for national clinical laboratories.The susceptibility test was performed by disk diffusion method.WHONET 5.3 software was used for statistical analysis.Results A total of 876 strains were analyzed.The majority was gram negative bacteria.MRSA prevalence was 72.4% and showed a trend of increase.No vancomycin resistant Staphylococcus aureus or Enterococcus was detected.Streptococcus pneumoniae was highly resistant to macrolides.The non-sensitivity rate to penicillin was 25.5%-66.7% over years.The resistance rate to levofloxacin was 22.2%-27.3%.Enterobacter and Acinetobacter baumannii showed stable susceptibility to imipenem.ESBLs-producing Esche- richia coli and Klebsiella pneumoniae accounted for 33.3%-38.9% and 14.3%-19.2% respectively.P.aeruginosa strains were relatively susceptible to ceftazidime, amikaein, cefoperazone-sulbactam, imipenem, piperacillin-tazobactam and cefepime. The sensitivity rate was 87%, 82.6%, 78.3%, 73.9%, 73.9% and 71.4% respectively in 2005.Conclusions The changes of pathogens and antibiotic resistance in the respiratory ward were consistent with the surveillance data in this country, which were influenced by underlying diseases, severity of illness and antibiotic use.Our data are useful for the guidance of rational use of antibiotics.

Objective To investigate the expression in the VEGF,TGF-?1 of cervical squamous car- cinoma infected by HPV16,18.Methods Cells exfoliated from cervix(collected by clinician)of 99 women with cervical cancer and 54 women as a control group were analyzed blindly by human papillomavirus type 16 and 18 Fluorescent Polymerase Reaction Diagnositic kit.The expression of VEGF,TGF-?1 of the positive HPV16,18 of 38 women with cervical squamous cancer were studied by immunohistochemical stain.Results The positive expression of HPV16,18 was observed in 53 in the case of cervical cancer with positive rates of 54 %,but the positive rates was 7 % in the control group(P

Peptide drugs exhibit an irreplaceable role in clinics due to their high specificity, efficiency and low toxicity. At present, more than 80 peptide drugs have been approved for marketing with global sales exceeding $50 billion in 2019. However, with large molecular weights, high hydrophilicity and instability in digestive tract, oral peptide drugs encounter substantial physiological barriers leading to low oral bioavailability. Therefore, peptide drugs are mostly administered by parenteral routes. Although parenteral delivery of peptide drugs achieves high bioavailability, this is associated with inconvenience and discomfort, even causing severe side effects compared with the oral route possessing a high degree of patient compliance. Therefore, numerous studies concentrate on novel strategies to improve the oral bioavailability of peptide drugs. Some delivery technologies such as Eligen™ and Axcess™ have been successfully applied to the oral dosage form of therapeutic peptides and have accelerated relevant oral formulations for Food and Drug Administration (FDA) approval and clinical treatment. In this review, we focus on the oral peptide delivery, mainly summarizing the progress of recent strategies used to overcome oral barriers and the commercialization applications of related patents, which could facilitate the research and development (R&D) of clinical applications of oral delivery techniques for peptide drugs.