Exosome are nanoparticles released by various cells into extracellular environment, with the diameter of 40-100 nm.Exosome contain different kinds of biological materials, such as proteins, mRNA, microRNA.Exosome can not only mediate cell-to-cell communication, but also be involved in many physiological and pathological processes such as immune response regulation, inflammation, tumorigenesis and drug resistance.This article mainly focuses on correlation between exosome and drug resistance of rumor.

Cystatin C is widely present in nucleated cells of various tissues and body fluids as a cysteine protease inhibitor.It can predict the occurrence of diabetes,and it was significantly associated with diabetic macrovascular and microvascular complications such as albuminuria,retinopathy,peripheral arterial disease,and coronary artery disease.This review introduces the research progress of cystatin C in diabetes and diabetic vascular complications.

Objective To investigate the changes of serum myocardial enzyme in schizophrenia patients spectrum and its clinical significance.Methods 405 patients with schizophrenia hospitalized patients serum myocar-dial enzyme (CK,CK-MB,LDH,α-HBDH level,) on admission and 4 weeks after treatment the serum myocardial enzyme level,analyze its relationship with the disease, and 100 healthy people ( control group) were compared. Results the positive symptoms of schizophrenia patients before treatment,serum CK,CK-MB,LDH,α-HBDH were (1 286.52 ±714.38) U/L,(40.72 ±27.38) U/L,(143.06 ±33.24) U/L,(115.75 ±22.74) U/L,CK,CK-MB were higher than those in the control group (t=10.35,9.29,all P<0.01);after 4 weeks of treatment,CK,CK-MB, LDH,α-HBDH were (98.13 ±38.75)U/L,(12.87 ±5.73)U/L,(125.43 ±25.74)U/L,(102.15 ±26.86)U/L, compared with the control group,the differences were not statistically significant(all P>0.05).Conclusion Serum myocardial enzyme CK and CK-MB increased level was related with diseasein the patients with acute exacerbation of schizophrenia.

Objective To discuss on the effect of simulation training of vocational protection among nurses with lower age and services seniority in trauma surgery department. Methods The training of vocational protection was divided into the curricula content and simulation training, 37 nurses were trained with the method of combining theory with practice,the items before and after the training were tested with t test. Results The mastering degree of occupational exposure knowledge after the training significantly improved compared with that before training. After simulation training various protection technique greatly alleviated. Each score of comprehensive clinical evaluation after the training also increased. Conclusions We should strengthen occupational protection in clinical work in order to prevent nosocomial infection.Detail education and situational education should be paid attention to during the training according to their ability,so that satisfactory results can be achieved.

Objectives To study the relationship between hope and quality of life(QOL)in nasopharyngeal carcinoma(NPC) patients undergoing radiotherapy(RT). Methods One hundred and ten NPC patients undergoing radiotherapy participated in the investigation by the Herth Hope Index(HHI)and the Functional Assessment of Cancer Therapy-head and neck scale(FACT-H&N),to look into the correlations between their hope and QOL.Result The scores on hope and NPC for the QOL patients during radiotherapy were(34.80±2.64)and(91.34±13.19),respectively and they were positively correlated(r=0.253,P<0.01). Conclusions The hope of the NPC patients is at the medium level.Their hope is positively correlated with QOL.The higher level the hope is,the higher the QOL.

ConclusionBushen-Yitalpowder adjuvant to progesterone therapy can improve the clinical outcome in patients with early threatened abortion.

Objective To assess the prognostic values of the immunohistochemical expression of vascular endothelial growth factor (VEGF) and vascular endothelial growth factor receptor-2 (VEGFR-2) in a cohort of patients with operable advanced laryngeal cancer who have been treated with induction chemotherapy. Methods VEGF and VEGFR-2 expression in the Forty-nine patients was quantified by an enzyme immunosorbent assay in a retrospective series.Results The moderate to high VEGF expression in 34 patients were found and low expression in 15 patients. VEGFR-2 expression was moderate to high in 31 patients and was low expression in 18. The probability of a complete response to induction chemotherapy was significantly higher in patients with none to low VEGF expression.Conclusion VEGF expression seems to be a significant predictor of complete response to induction chemotherapy.

By using microwave extraction, a GC/MS method was developed for the determination of polycyclic aromatic hydrocarbons ( PAHs) content in soil which is around the discharge ditch of oily wastewater, and a correlation analysis of the content of organic matter in soil was carried out. The results showed that PAHs in the surface soil pollution were mainly from 2 to 4 rings of low molecular PAHs, and the PAHs with high molecular were not detected. Each sampling point belongs to slight or moderate pollution and the overall assessment is moderate pollution, which is middle and low lever in comparison with soil data of central regions. The origin may be the low molecular PAHs of oil pollution along with the atmospheric transmission, but it cannot be completely excluded the possibility of fuel combustion pollution. No obvious correlation was found between the content of polycyclic aromatic hydrocarbons and organic matter.

Objective To investigate the effect of Biling Zhidai Tablets(BZT) on monocyte chemotactic protein-1 (MCP-1), intercellular adhesion molecule-1 (ICAM-1)and tumor necrosis factor-alpha(TNF-α)levels as well as hemorheology of rats with sequela of pelvic inflammatory diseases(SPID). Methods One hundred Wistar rats were randomly divided into normal control group , sham-operation group , model group , BZT group(0.54 g·kg-1·d-1)and Fuke Baidai Tablets group(0.225 g·kg-1·d-1), 20 rats in each group . The rats of the model group, BZT group and Fuke Baidai Tablets group were given mechanical damage plus injection of mixed bacteria to induce SPID. After modeling for 2 weeks, the latter three groups were given intragastric administration of the medicine for 21 days. The uterine swelling rate, the serum levels of MCP-1, ICAM-1, TNF-α as well as hemorheological indexes of rats in various groups were detected. Results The uterine swelling rate in BZT group and Fuke Baidai Tablets group was significantly decreased as compared with that of the model group, and the uterine swelling inhibition rate of BZT group was higher than that of Fuke Baidai Tablets group (P<0.01). The levels of MCP-1, ICAM-1 and TNF-α of BZT group and Fuke Baidai Tablets group were significantly decreased as compared with those of the model group, and the effect of BZT group was better than t hat of Fuke Baidai Tablets group, the differences being statistically significant(P<0.05or P<0.01). The indexes of hemorheology in BZT group were significant improved as compared with Fuke Baidai Tablets group, and the improvement in BZT group was superior to that in Fuke Baidai Tablets group (P<0.05 or P<0.01). Conclusion B ZT e xert certain therapeutic effect on treating SPID rats, and the mechanism is related with the relief of swelling of uterus, decrease of serum MCP-1, ICAM-1 and TNF-αlevels and improvement of the indexes of hemorheology.

Objective To analyze the adverse drug reactions(ADRs)of edaravone in treatment of patients with acute cerebral infarction(ACI)by reviewing Chinese medical literature and to evaluate safety of edaravone treatment in ACI.Methods Publications from Pubmed and Chinese Biomedical Literature Datababe(CBMdisc)were reviewed and the ADR of edaravone was analyzed among the published 8645 cases.Literatures about randomed-control clinical trails(RCTs)on security of edaravone for treating ACI Was analyzed by meta-analysis.Results Abnormal hepatic function,especially mild elevation of aminotransferase,renal dysfunction and skin rash induced by edaravone were tIle most common ADRs.Among 8645 patients,ADRs were reported in 283(3.27 % ).The meta-analysis in RCTs showed that between the group treated with a combination of edaravone and routine and the group treated with routine treatment only,there was no significant difference in the occurrence rate of ADRs(OR=1.18,95 % CI0.70-2.00,P=0.536),elevation of aminotransferase(OR=1.23,95 % CI 0.57-2.68,P=0.595)or renal dysfunction including albuminutia,increased level of serum ereatinine and nitrogen(OR=1.65.95 % CI0.57- 4.79.P=0.353).Conclusion Edaravone has a low ADRs OCCurrence rate and iS safely used in cerebral infarction treatment.