OBJECTIVE To examine directly the fungal pathogens from nasal sinus under microscope and identify them.METHODS The nasal sinus secretion from 36 cases with fungal infection was directly examined microscopically,cultured,and identified for fungi.RESULTS Direct microscopic examination was positive in 34 cases and from them 24 were with positive cultures: 19 had infection of Aspergillus,3 of Scedosporium spiosperimum,1 of Pseudallescheria boydii,and 1 of Alternaria.CONCLUSIONS Aspergillus are the main pathogens in nasal sinus fungal infection.

Fluorescence imaging of animal in vivo is to tag cell or DNA with fluorescence reporter gene, and then detect the fluorescence using sensitive optics apparatus. With this system, researcher can observe tumor growth, metastasis and angiogenesis in vivo, and reliable information for tumor diagnosis and treatment will be provided for researcher.

Near-infrared technology can be used as an auxiliary means for the early diagnosis of cancer and for surgical resection of tiny lesion that can not be discriminated by naked eyes,but it can not satisfy the purpose when used alone.Thus,we have developed an integrated technique by combining near-infrared and other technologies,and extended the scope of its application.This article reviews the advances of several integrated techniques applied to tumor research,including double labeled technology of nuclide and near-infrared,the combination of near-infrared and fluorescence resonance energy transfer,the combined use of near-infrared and endoscopy,and the integration of near-infrared with carbon nanotubes.

Objective:To establish a DNA typing method for HLA-I antigens with medium resolution method by DNA chip technique.Methods:The chip was made with specific medium distinguish-typing probes designed according to gene frequency of HLA-I alleles from Northern Chinese. Unsymmetrical PCR was used to amplify HLA-I exon2,3,and then the PCR products labeled and hybridized with probes on the chip.Typing of HLA-I was certified by scanning the hybridizing signals of through a set of computer software.Results:HLA-I alleles were successfully typed in 30 clinical samples .This medium-distinguishing probes were able to discern 57 HLA-I alleles accurately.Conclusion:DNA typing of HLA-I by chip has been proven to be a high-resolution and high-specific method. It is able to check out the new alleles that can not be distinguished by other methods with the same resolution., and it is more intuitional and more suitable for clinical application .

Objective To discuss the value of medium resolution typing method for HLA-B antigens of Northern Chinese by DNA chip technique.Methods The chip was made with specific medium distinguish typing probes designed according to gene frequency of HLA-B alleles from Northern Chinese.Unsymmetrical PCR was used to amplify HLA-B exon 2 and 3, then labeled PCR products and hybridize with probes on the chip.Certified the typing of HLA-B by analysed and scanned the signals of hybridize through a set of computer software.Results HLA-B alleles were successfully typed in 30 clinical samples. This medium distinguish probes were able to discern 42 HLA-B alleles from the scope of HLA-B 7~83. Using it we can distinguish B14,73 and 82 three new alleles contrast to PCR-SSP methods.Conclusions DNA typing of HLA-B by chip was proven to be a high-resolution and high-specificity method. It is able to check out the multitudinous samples in one DNA chip and it is more suitable for clinical application.

Objective To study the effect of intra-pulmonary arterial anti-tumor necrosis factor-α antibody(TNF-α Ab) on ultra-structure of lung after cardiopulmonary bypass (CPB).Methods Forty New Zealand rabbits were selected and randomly divided into four groups:group Ⅰ-Ⅲ underwent CPB; group Ⅳ only received open chest operation.In the group Ⅱ,rabbit TNF-α Ab(27 ng/kg) was dropped into the pulmonary artery when the aorta was clamped and CPB continued 30 minute.Pulmonary arterial perfusion was given to the group I instead.Blood TNF-α and neutrophils count from right and left atrium and oxygenation index in the four groups were determined perioperatively.Lung water content,TNF-αmessenger RNA,Bcl-2 protein,Bax protein,Bcl-2/Bax,apoptosis index and pathomorphological change were measured in the lung tissues.Results TNF-α Ab can restrain leukocyte accumulation and reduce releasing of TNF-α in the lung and improve oxygenation index.Moreover,TNF-α Ab can reduce the expression of Bax on alveolar epithelial cells and alleviate the decreasing of the expression of Bcl-2.It can also reduce the occurrence of apoptosis and attenuate pathomorphological changes in the lung tissue.Conclusion Intra-pulmonary arterial antitumor necrosis factor-α antibody markedly lessens the injury of inflammatory reaction and ultra-structure of lung after CPB via Bcl-2/Bax pathway.

Objective To detect expression of epidermal growth factor receptor variant Ⅲ (EGFRvⅢ) in human suprarenal epithelioma to explore its relation with the genesis and development of suprarenal epithelioma.Methods Immunohistochemistry and pathologic image analysis were used to semiquantitatively detect the expression of EGFRvⅢ protein in eighty human suprarenal epithelioma tissues and twenty-four normal renal tissues.Results Positive expression rate of EGFRvⅢ was 46% in human suprarenal epithelioma tissues and 8% in normal renal tissues.Their average gray scale values were 148.49?13.05 and 155.65?14.86,respectively,which showed a significant difference (t=2.13,P=0.04).There was no obvious difference between males and females (149.01?13.70 and 147.40?11.76,t=0.54,P=0.59).No significant association was observed between EGFRvⅢ expression and age (r=0.01,P=0.92).Conclusion Many human suprarenal epithelioma tissues express EGFRvⅢ.EGFRvⅢ may play certain role in the genesis and development of human suprarenal epithelioma.

OBJECTIVE:To investigate clinical efficacy and safety of Rosuvastatin calcium tablets combined with Qishen yiqi dripping pills in the treatment of chronic heart failure (CHF) and it effects on inflammatory level,oxidative stress injury and cardiac function of patients.METHODS:Ninety CHF patients in our hospital during Aug.2014-Apr.2016 were divided into observation group and control group according to random number table,with 45 cases in each group.Control group received routine anti-heart failure treatment as cardiac,diuretic,dilating vessel,and Qishen yiqi dripping pills orally 0.5 g,half an hour after meal,tid;observation group was additionally given Rosuvastatin calcium tablet orally 20 mg,at bedtime,qd,on the basis of control group.Cardiac function,serum inflammatory factor,BNP and oxidative stress levels were compared between 2 groups before and after treatment.Clinical efficacies and the occurrence of ADR were observed in 2 groups.RESULTS:Before treatment,there was no statistical significance in LVEF,LVESD,LVEDD,TNF-α,IL-6,BNP,SOD,MPO and MMP-9 levels between 2 groups (P＞0.05).After treatment,LVEF of 2 groups were increased significantly,while LVEDD,LVESD,TNF-α and IL-6,BNP levels were decreased significantly;the above indexes of observation group was significantly better than those of control group,with statistical significance (P＜0.05).MPO and MMP-9 of observation group were significantly decreased,while SOD level was significantly increased and better than that of control group,with statistical significance (P＜0.05),but there was no statistical significance in SOD and MPO,MMP-9 levels of control group before and after treatment (P＞0.05).The clinical response rate of observation group was 97.8％,which was significantly higher than 82.2％ of control group,with statistical significance (P＜0.05).There was no statistical significance in the incidence of ADR between 2 groups (P＞0.05).CONCLUSIONS:Rosuvastatin calcium tablets combined with Qishen yiqi dripping pills show significant therapeutic efficacy for CHF,can effectively reduce inflammatory level,relieve oxidant stress injury,delay the process of ventricular remodeling,and improve cardiac function with good safety.

AIM: To investigate the dynamic expression of Rho kinase(ROCK I) and transforming growth factor ?1(TGF-?1) in pulmonary arterioles of rat with chronic thromboembolic pulmonary hypertension.METHODS: Sixty-four male Wister rats were randomly divided into eight groups: beginning control group,embolism for 3 d,1 week,2 weeks,4 weeks,8 weeks,12 weeks groups and end control group.The pulmonary thromboembolism(PTE) model was established by injecting thrombin into jugular vein two times in two weeks and each rat underwent peritoneal injection with tranexamic acid one time a day during experiment to prevent thrombolysis.The mean pulmonary artery pressure(mPAP),right ventricular hypertrophy index(RVHI),relative medial thickness of small pulmonary arteries(PAMT) and vessel wall area/total area(WA/TA) were measured.The levels of ROCK I mRNA and TGF-?1 protein in rat pulmonary artery were determined by in situ hybridization,immunohistochemistry and image analysis,respectively.RESULTS: mPAP,PAMT and WA/TA were higher respectively in embolism from 4 weeks group to 12 weeks group than those in beginning control group(mPAP: all P

Objective To investigate the mechanism of alternation of PKC activify in liver ischemia preconditioning(IP). Methods After establishment of rat liver IP model, PKC inhibitor and activator were utilized to analyze the phosphorylation of PKC and P44/42MAPKs and HSP expression, and cellular structure was also observed. All of the data were statistically analyzed. Results Compared with the control group without IP, the phosphorylation of PKC was significantly increased in IP treated models and PKC activated group(P