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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
We here clarify and consolidate the latest tumor biological findings on the role of these neurotransmitters, which bind to serpentine receptors, and which are involved in leukocyte migration, tumor growth, invasion and metastasis.
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The implementation of objective predictive assays to identify these alterations in clinical material will enhance our ability to assess tumor biological activities and to design effective treatment regimens.
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The value of AgNOR staining as a tumor biological marker was tested in 26 children with pilocytic astrocytomas (20) and fibrillary astrocytomas (6).
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Operability is limited by biological factors and the extent of the tumor (biological and technical inoperability).
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Immunohistochemical analysis of tumor biological factors in hepatocellular carcinoma: relationship to clinicopathological factor
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| | This paper presents a quantitative histological study of T lymphocytes andits subpopulations infiltration and their relation with biological features of esophageal carcinoma in 40 cases. T lymphocytes and its subpopulations dotlike granular pattern cell and scattered granular pattern cell, are marked by the acid naphthyl acetate esterase(ANAE). The result shows that the density and number of T Lymphocytes infiltration is varied with the differentiation, infiltrated depth and lymph node metasatsis of esophag... | | 本文以ANAE标记法对40例食管癌组织中浸润的T淋巴细胞及其亚群进行定量组织学研究,观察T淋巴细胞浸润程度与食管癌生物学特性之间的关系。结果表明,癌组织中T淋巴细胞浸润密度随癌组织分化程度的降低而减少,癌组织中浸润的T淋巴细胞与癌组织的浸润和转移有密切关系。癌组织浸润深度深和有局部淋巴结转移者,T淋巴细胞浸润数量少,反之则较多 在分化差和有淋巴结转移的癌组织中,T淋巴细胞的减少主要为D~+型细胞减少,S~+型细胞相对增加,D~+/S~+比值下降 | | 文摘来源 | | By using α-Naphthyl acetate as a substrate,the ANAE activity of normal epithelium,paracancercus epithelium and carcinoma cells from 16 cases of surgical resorted specimens of esophageal carcinoma was measured by micro-spectrophotometry.The results showed that the ANAE activity of carcinoma and paracancerous epithelium in most of the cases was higher than that of normal epithelium.The data obtained from micro-spectrophotometry varied from specimen to specimen,and from area to area in the same specimen.Theref... | | 木文以 a—荼酚醋酸作为底物,用显微分光光度法定量测定了16例食管癌手术标本的正常粘膜、癌旁粘膜和癌细胞内 ANAE 的活性。结果表明:大多数生长活跃的癌细胞及癌旁上皮细胞 ANAE 的活性较正常增高。但不同病例或同一病例,同一组织中细胞之间差异也大。提出本法对细胞的 ANAE 活性定量测定只可作为了解食管癌癌变过程及癌的生物学行为的一个指标,未能作为诊断指标。 | | 文摘来源 | | The establishment and characteristics of a transplantable model of human epithelial cell strain of poorly differentiated nasopharyngeal carcinoma(CNE-2Z) in nude mice was reported. The experiments were made on 1-3 month-old nude mice (NC and Swiss) of both sexes. The CNE-2Z cells (1?10 6 /0.5ml) were inoculated subcutan'eously . The transplanted tumor had been passed up to 30 generations in 203 recipient animals and subsequent serial transplantability was 100%, despite of origin, age of nude mice and inocul... | | 本文报告人低分化鼻咽癌裸小鼠移植模型的建立及其生物学特性的研究,实验动物为NC系裸小鼠(少量Swiss系),使用CNE—2 Z细胞(1×10~6/0.5ml细胞)皮下接种,历时二年,在203只动物传代30次,移植成功率为100%。组织学及超微结构显示为低分化鳞状细胞癌特征,染色体显示人类肿瘤细胞染色体,有EB病毒基因组存在及EB病毒核抗元(EBNA)、膜蛋白(LMP)表达。我们所建立人低分化鳞状细胞癌裸鼠移植模型,具有移植成功率高,呈进行性生长,恶性程度高,不会自行消退等特点,可供进一步研究鼻咽癌生物学特性及实验性治疗之用。 | | 文摘来源 | |   | | << 更多相关文摘 |
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