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Vascular endothelial growth factor, which takes part in wound healing process, is a kind of lately discovered cell growth factor of angiogenesis. On the base of animal models of maxillofacial blast injury and intra-oral incised wound, we dynamic observed the changes of bFGF, VEGF and its receptor in post-wound tissue by immunohistochemistry and image analysis technology. The eukaryotic expression vector- pBKCMV-VEG〓 was constructed by molecule clone and gene transfection technology. With the characteristic of intra-oral environment, the extra-VEGF cDNA was transfected in maxillary glands guiding by cation liposome and expressed normally in it.
本研究在创建颌面部爆炸伤和口内切割伤动物模型的基础上，采用免疫组化及图象分析技术，动态观察了创伤后组织中VEGF及其受体，以及血管再生相关因子bFGF的变化，并应用分子克隆和转基因技术，构建VEGF真核细胞表达载体—pBKCMV-VEGF〓，结合口内环境的特点，以颌下腺为靶器官，采用阳离子脂质体介导的转染方式，将外源VEGF cDNA导入颌下腺中，使其正常表达，以提高涎液中VEGF的含量，从而促进口内的创伤愈合过程。
Results Among the detected chromosome aberrations, +8 was the most frequent (42.8%)and then -7/7q-(15.0% 42 patients with +8 had median blast cell count of 0.08, within a median of 18 months follow-up period 40.0% of the patients evolved to frank leukemia and the median overall survival was 20 months. 16 patients with -7/7q- had higher blast cell count of 0.135; 43.8% of them developed into FL and the median overall survival was only 10 months within a 20- month follow-up period. 55 patients had normal karyotype but a median blast cell count of 0.148; 52.7% of them patients evolved to FL and the median overall survival was 34 months.
结果在同期173例有异常克隆的患者中，+8患者最多42.8%(74例)，其次-7/7q-为15.0%(26例)；42例+8患者中位原始细胞计数0.08，在18个月的中位随访时间内，40.0%(12例)的患者进展为显著的白血病，总的中位生存时间为20个月；16例-7/7q-患者中位原始细胞计数0.135，在20个月的中位随访时间内，43.8%(7例)的患者进展为FL，总的中位生存时间仅10个月； 55例核型正常的患者，骨髓中位原始细胞为0.148，52.7%(16例)的患者进展为FL，总的中位生存时间为34个月。
OBJECTIVE: To study the regulation of bFGF on the blast-colony-forming cell by adding bFGF in the medium of embryoid body generation.
目的：在拟胚体培养阶段施加碱性成纤维细胞生长因子，验证碱性成纤维细胞生长因子对集落形成细胞产生的调控作用。
Therefore, it is imperative under the situation to pay more attentio〓 to the study on the pathogenesis and treatment of burn-blast combined injury〓 To further understand the pathogenesis of lung damage after burn-bla〓 combined injury, the effects and regulation mechanism of some cell adhesio〓 molecules on polymorphonuclear neutrophil accumulation i〓 the lung and inflicting lung injury were studied in rats with burn-blast combine〓 injury. These CAMs were E-selectin and vascular cell adhesion molecule〓 1 (VCAM-1) and intercellular adhesion molecule-1 (ICAM-1) of the lung tissu〓 and CD11b of the PMN.
本实验以大鼠烧冲复合伤为模型，采用原位杂交、免疫组化、流式细胞、细胞体外培养等技术，对伤后肺E-selectin、VCAM-1和ICAM-1及PMN的CD11b在PMN肺内聚集及肺组织损伤中的作用及其调控机制进行了研究，同时观察了7.5％NaCl／6％葡聚糖70溶液对烧冲复合伤早期肺损伤的影响。
We used the NIH3T3 fibroblast cells ascarrier because the cell clone is easy to expand, to betransfected and to express the exogenous gene. In the presentstudy, a model of fibro blast cell-mediated human IFN-〓 genetherapy was established and its anti-tumor activity was observed.
为此，我们选择了易于扩增、易于转染并能稳定表达外源目的基因的成纤维细胞为载体细胞，建立了人〓基因疗法的实验模型，并观察了其体内抗肿瘤作用。
Application Study of the Closed-cell Aluminum Foams in the Composite Armored Plate Design for Blast Protection Investigation on anti-explosion performance of reinforced concrete slab with composite protective aluminum foam
泡沫铝材料在防爆复合装甲板设计中的应用含泡沫铝防护层钢筋混凝土板的抗爆性能研究
Calculation of Thickness of Blast Wall of Antiknock Cell Under Internal Explosion
内爆炸作用下抗爆单元防护隔墙厚度计算
The blast cells expressed stem cell associated antigens CD34, HLA-DR and myeloid antigens CD33, CD13, MPO.
原始细胞表达干细胞相关抗原CD34、HLA-DR和髓系抗原CD33、CD13、MPO。
The simple structure of the gas cell and without using the blast pump, the whole system can operate stably.
气室设计结构简单，无鼓风泵等振动器件，系统运行稳定可靠；
The blasting scheme, boring pattern and specific parameters of the blast were presented herein. Methods: Four colorectal cancer cell lines were cultured in vitro.
文中介绍了爆破方案、布孔方法及具体的爆破参数。
Conclusion TCR V β subfamily T cells selective express on blast crisis of CML, T cell clonality expansion may be found in myeloid blast crisis of CML cases, suggesting that may indicate a host response directed against leukemia cell relatION antigen.
结论：CML急变期外周血仅选择性表达部分Vβ亚家族T细胞；CML急粒变存在克隆性增殖T细胞，这可能是机体对白血病细胞相关抗原的一种直接反应。
We can not neglect the examination of hemocyte morphology in order to prevent leak of blast cell when we analyzed blood sample with analyzer.
因此，用血液分析仪分析血样的同时，不能忽略血细胞形态学检查，防止幼稚细胞漏检。
We present a 32 year-old man with acute lymphoblasitic leukemia who had fever, pulmonary infiltration, hemoptysis, pending respiratory failure, and a low blast cell count at presentation. The patient was treated with chemotherapy and resulted in rapid resolution of the chest pulmonary infiltration, as well desaturation.
我们在此报告一位急性淋巴性白血病的病人，在血球母细胞比例不高的情况下，以发烧、咳血及肺浸润作为初期表现，病人在接受化学治疗后，病情及肺部浸润迅速获得改善。
Morphologic observation in the hair cell nucleus of the guinea pig exposed to blast underpressure
中等强度冲击波负压暴露后豚鼠耳蜗毛细胞核形态学观察
Ventilation at one end of vault is accustomed used in main workshop of underground hydropower station, the flux uniformity of the outlet influences how the basic network cell model & blast vault should be established in network simulation.
地下电站主厂房常采用拱顶一端送风进行送风，其各个风口的送风均匀性直接关系到主厂房送风拱顶这一网络基元在网络模型中应如何图化。
Study on hair cell regeneration and expression of PCNA in young chicken cochlea traumatized by blast and white noise
爆震和白噪声损伤后雏鸡耳蜗毛细胞再生及增殖细胞核抗原表达的研究
In this paper, according to Eulerian cell scheme, numerical simulations of blast waves variation in oil storage vessels in any location and time are carried out by using model of homogeneous energy addition.
本文根据均匀能量加入的流体模型，建立了储油罐爆炸过程的数学模型，利用数值仿真方法对储油罐非理想爆炸过程在不同位置、不同时间所受应力波的变化规律进行了仿真研究。
The result of trypan blue staining showed that cell death occurred in the leaves of transgenic plants after blast fungus infection, which resulted in the blast resistance of transgenic plants.
对叶片进行台盼蓝染色发现叶片在稻瘟病菌侵染后发生了细胞死亡，阻止了病菌的进一步侵入，从而使转基因植株抗性提高。
The median of bone marrow blast cell in the aged group was significantly lower than that in the young group (P < 0.05);
老年AL骨髓原始细胞中位数明显低于非老年组（P<0.05）；