Therapeutic efficiency of advanced stage liver cancer is insufficiency,which has become the hot spot of research.Clinical observation found that prognosis of liver cancer with integrity amicula was better.It is generally accepted that silicon dioxiode(SiO2) can induce pulmonary fibrosis,resulting in the formation of pneumosilicosis.Use of SiO2 as embolism material induces hepatic fibrosis and forms the fibrosis amicula around the liver carcinoma,and then restrains the recurrence and metabasis of liver cancer,which has been turned into one of the aspect of liver carcinoma therapy.The possible mechanisms of inducing hepatic fibrosis by SiO2 are peroxidative damage by free radical,releasing of active cytokines,or inducing cell apoptosis and the activation of HSC etc.

Objective To investigate the Cardioprotective effects of sevoflurane postconditioning on surgery patients undergoing cardiopulmonary bypass with diabetes mellitus ,in order to provide theoretic basic for clinical practic. Methods 180 patients of undergoing cardiopulmonary bypass sugery were divided into 3 groups:A group:64 patients undergoing heart valve replacement with Type II diabetes. B group:64 patients Pa-tients undergoing heart valve replacement without diabetes ,the group A and B were treated by sevoflurane post-conditionging for 10 minutes before the end of cardiopulmonary bypass. C group:60 patients undergoing heart valve replacement without diabetes,no sevoflurane postconditionging;Three groups of patients detect perioperative tro-ponin T and Creatine Kinase Isoenzyme-MB ,observed and following up the occurrence of postoperative com-plications. Results CK-MB and cTnT were compared at 8 and 24 hours after operation:two biochemical indi-cators of group A and C at different time points after operation were significantly higher than those in group B (P < 0.05),With significant statistical difference , The number of patients with heart failure and malignant arrhythmia in group A and C was higher than group B(P < 0.05),Differences in 30 day mortality and other clinical data between the three groups were not statistically significant. Conclusion Sevoflurane postconditionging has significant myocardial protection effect for patients undergoing valve replacement surgery without diabetes , however ,the myocardial protective effect of patients who undergoing valve replacement surgery with diabetes was weakened.

Alcohol is closely related to the occurrence and prognosis of cerebral ischemia.Researches on the relationship between alcohol and cerebral ischemia using different animal models draw different conclusions.This paper summarizes the common alcohol intervention methods in making animal models of cerebral ischemia, and evaluates the advantages and disadvantages of these models to provide reference for the future research.

A member of miR-16 family, miR-424 has been found to be closely related with tumorigenesis, tumor progrssion, prognosis and therapy.This article reviews the expression changes, roles and possible regulating mechanisms of miR-424 in leukemia and various tumors such as breast, cervical, lung, liver and colorectal cancers.Recent studies have demonstrated that the expression of miR-424 is affected by many factors, and miR-424 could be a biomarker of diagnosis, staging and prognosis in cancers,to identify the area of tumor, and be a target of therapy.

MicroRNA-494 (miR-494) is one of the microRNAs from 14q32.31 miR-gene cluster.Recently, miR-494 was found to closely relate with tumors and other diseases .This article reviews the expression changes , roles and possible regulatory mechanisms of miR-494 in multiple tumors and other hypoxia/ischemia diseases .Recent studies demon-strate that the expression of miR-494 is affected by many factors , and miR-494 could be a biomarker of diagnosis , staging and prognosis in tumors and other diseases , and a target of therapy in future .

MiRs display an important role in a variety of biological, physiological and pathological processes, including cell proliferation, differentiation, apoptosis, individual development, occurrence and progress of diseases. Recent studies have discovered that miR?424 is the significant regulatory factor of angiogenesis, and is involved in many diseases such as infectious diseases, vascular diseases, central nervous system diseases and genital system disease. This article reviews the expression, effect and possible mechanisms of miR?424 in non?tumorous diseases.

Objective To investigate the influence of fast track surgery on stress and inflammatory re-sponse in breast cancer patients treated with modified radical mastectomy .Methods Ninety nine patients with breast cancer undergoing modified radical mastectomy were allocated randomly to fast track surgery group (46cases)and general group(53cases).The concentrations of serum PRA,Ang-Ⅱ,ALD,cortisol,IL-6,IL-8,TNF-αof each group were measured before operation ,12 hour,24hour and 48hour after operation by radioim-munoassay method.Operation time,operative blood loss and hospitalization days were analyzed between the two groups,simultaneously ,the incidence of subcutaneous hydrops ,flap necrosis and upper limb edema were also de-tected.Results The concentration of serum PRA ,Ang-Ⅱ,ALD,cortisol,IL-6,IL-8 and TNF-αwere no significantly differences in two groups before operation and at 48 hours after surgery(P>0.05).The concentra-tions of serum PRA,Ang-Ⅱ,ALD,cortisol,IL-6,IL-8 and TNF-αof FTS group were significantly different between the preoperative and different time points (P<0.05).The concentration of serum PRA,Ang-Ⅱ,ALD, cortisol,IL-6,IL-8 and TNF-αof FTS group were lower than that of control group at the same time point ( P<0.05).The operative time was(158.32 ±22.47)mins in FTS group and(161.32 ±22.37)mins in control group,respectively,and there were no significant statistical differences (P>0.05).The intraoperative blood loss in the FTS group(156.98 ±17.09)ml was not significantly less than that in the control group (158.57 ±16.92) ml(P=0.644).Hospitalization days were 8.37 ±1.89 and 10.37 ±2.05 in the FTS and the control group re-spectively ,with significant difference .The incidence of upper limb edema ,subcutaneous hydrops ,flap necrosis in FTS group were not less than control group .Conclusion Fast track surgery could attenuate stress and inflamma-tory response during ,and it is safe and effective in modified radical mastectomy .

Objective To develop an all-in-one multifunctional thoracolumbar fixation rescue vest for land and water rescue of thoracolumbar injury and investigate its application effect.Methods According to the thoracolumbar physiological curve,type Ⅰ thoracolumbar fixation rescue vest with keel and inflatable airbag and type Ⅱ thoracolumbar fixation rescue vest with additional lifesaving balloon and inflatable cylinder were developed using thermoplastic polyurethane (TPU)-nylon composites and polycarbonate (PC) as the main materials.Clinical application of type Ⅰ thoracolumbar fixation rescue vest in 532 cases of thoracolumbar injury was discussed.Type Ⅱ thoracolumbar fixation rescue vest were tested at marine rescue and related parameters measured were automatic inflation time,buoyancy force,floating time,floating condition and victims' face orientation.Clinical outcome was quantified by the MacNab standard,and VAS for pain was recorded.Results According to the MacNab standard,excellent outcome was achieved for all cases.VAS improved from 8.2 points to 2 points after the bracing was applied,showing 100％ improvements.The brace into the water showed automatic inflation time of 3-5 seconds and maximum buoyancy force of 100 kg,and ensured a 90 kg dummy of floating over 96 hours.At marine rescue,the wounded in braced condition showed face upward with 24-hour buoyancy loss ≤5％ and freedom of movement.Conclusions The multifunctional thoracolumbar fixation rescue vest provides dual immobilization and ensures marine rescue for its automatic inflation device.This invention provides the feasibility to remove,transport and evacuate the thoracolumbar fracture patients in cabin.

The modern large-scale pyrosequencing technology is a revolution of DNA sequencing.One of the key points in this technology is to get an ATP sulfurylase immobilized on the surface of magnetic beads and with a high activity.Biotinylated ATP sulfurylase can be immobilized on magnetic beads coated with streptavidin through the specific conjunction between biotin and streptavidin, but using chemical modification method to biotinylate ATPS will affect the activity of the enzyme.ATP sulfurylase fused with the carboxyl terminal 87 residues of Escherichia coli biotin carboxyl carrier protein(BCCP87) was expressed in E.coli using fusion expression strategy.Results from Western blot analysis and SDS-PAGE analysis showed that the fusion protein could be biotinylated in vivo, and the molecular mass of the fusion protein was about 64 ku.The biotinylated ATP sulfurylase could be immobilized on the surface of magnetic beads coated with strepavidin, and the immobilized ATPS could be used for quantification of PPi and pyrosequencing.An effective enzyme for the large-scale chip-based pyrosequencing system was supplied.

0.05).EBV-specific IgM was detected more frequently in patients than that in controls(P