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细胞发生

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In the model of tumor cells metastases with cell line A673, 10〓 tumor cells can be detected after only one ampliation with outer primers, which means we can find 1 tumor cells in 10〓 normal PBMC, and enlarged again with inner primers, 10〓 tumor cells can be detected, which means we can find 1 tumor cell in 10〓 normal PBMC. In the simulative model of tumor cells metastases with RNA, 10〓 tumor cell can be detected that is to say we can find 1 tumor cell in about 10〓 normal PBMC. In all 15 samples of 11 patients, 2 patients'EWS/FLI1 expressions were negative, no evidence of metastases was found followed up by 8 months and 30 months respectively. Semi-quantitative study was used to detect the expression level of EWS/FLI1 mRNA in the other 9 positive patients, and metastases occurred in 6 high-level expression patients in 2-24 months after the operation, no evidence of metastases in the other 3 low-level expression patients up to now.

应用A673细胞系建立的肿瘤转移模型,单独应用外引物进行一次扩增,可以检测到10〓级肿瘤细胞,即可以从10〓个正常细胞中检测到1个肿瘤细胞;而在此基础上再次应用内引物扩增,则可以检测到10〓级肿瘤细胞,即可以从10〓个正常细胞中检测到1个肿瘤细胞;在用RNA模拟的肿瘤细胞转移模型中,两次扩增可以检测到10〓级肿瘤细胞,即可以从10〓个正常细胞中检测到1个肿瘤细胞。11例患者的15份标本中,2例没有检测到EWS/FLI1 mRNA的表达,分别随访8个月和30个月,没有发现临床转移的证据;对其余9例阳性表达的病例进行半定量的研究,6例EWS/FLI1 mRNA高表达的病例,分别在术后2-24个月发生转移,而3例EWS/FLI1 mRNA低表达的病例,则至今没有发现转移的证据。

(1) cerebral ischemical reperfusion injury rats'limbs motor function is variable. Acupuncture could promote lims'functional recovery.(2) PCNA masc cells is visible in cerebral ischemical semidarkness region. There is cell regeneration phenomenon. Acupuncture could strengthen injury region's PCNA expression, could profit injury recovery and functional reconstruction.(3) In ischemia semidarkness region for the model group and acupuncture group, PCNA masc cells percentage of 14days group is lower than 7days group. Along with the recovery of injury, cell multiplication is weaken.(4) In cerebral ischemia semidarkness region, there is VEGF masc cells and regeneration phenomenon. Acupuncture could strengthen injury region's VEGF expression, could profit protection after injury and blood vessel regenerate.(5) In ischemia semidarkness region for the model group and acupuncture group, VEGF masc cells percentage of 14days group is lower than 7days group. Along with the recovery of semidarkness region, ischemia and anoxemia state is getting improved, and VEGF is reduce.(6) As there are PCNA and VEGF masc cells in brain injured region, we could conclude that, after brain ischemical reperfusion injury, there are blood vessel regeneration phenomenon. Acupuncture could promote blood vessel regeneration, recovery blood supply sufficiently and quickly, and promote the recovery of brain injury region.(7)The VEGF masc cells percentage of inhibitor group is lower than acupuncture group. It state that the effect of acupuncture promote VEGF is partly depend on the existing of eNOS.

实验结论:(1)脑缺血再灌注损伤后大鼠的肢体运动功能发生改变,针刺可以促进肢体功能恢复;(2)脑缺损伤区可见PCNA阳性细胞,存在细胞再生现象,针刺可以增强损伤区PCNA的表达,有利于损伤的修复和功能重建;(3)针刺组和模型组14d时缺血损伤区PCNA阳性细胞百分比低于7d组,随着损伤逐渐得到修复,细胞增殖现象减弱;(4)脑缺血损伤区可见VEGF阳性细胞,存在内皮型细胞再生现象,针刺可以增强损伤区VEGF的表达,有利于脑损伤后保护和缺血区血管再生;(5)针刺组和模型组14d时缺血损伤区VEGF阳性细胞百分比低于7d组,随着缺血损伤的修复,缺血缺氧状态得到改善,产生的VEGF减少;(6)由于脑损伤区同时出现PCNA阳性细胞和VEGF阳性细胞,前者是增殖细胞的标志,后者是促进血管再生的重要因子,可以推断,脑缺血再灌注损伤后脑内存在血管再生现象,针刺可以促进损伤区的血管再生,更迅速而充分的恢复损伤区的血供,促进脑损伤区的修复;(7)抑制剂针刺组脑损伤区VEGF阳性细胞百分比与针刺组相比有不同程度的降低,说明针刺促进缺血损伤区VEGF表达部分依赖eNOS的存在。

(1) The high throughput and effective Agilent oligomicroarray can screen novel therapy targeted genes by analyzing the DEGs in development and progression of HCC;(2) The development and progression of HCC is a complicated process involving multigenes and multiprocedures;(3) DKK1, as a novel gene, is involved in the development and progression of HCC and may be a new therapy target.

应用Agilent寡核苷酸芯片高通量、高效率地分析原发性肝细胞癌发生发展过程中的基因表达差异,可以筛选新的治疗靶点;原发性肝细胞癌的发生发展涉及多基因、多步骤,是一个复杂的过程;DKK1可能是原发性肝细胞癌发展过程中的新的分子靶点,其表达变化涉及肿瘤进展。

This study that observed the expression and distribution of 4 apoptotic factors, relation apoptotic factor with apoptosis, changes of T and B subgroup, and changes of molecular pathology in 14 cows suffering from enzootic bovine leucosis from several resides was detected by histochemistry, TUNEL technology, immune-fluorescent flow cytometry and so on. The aim of this experiment supplies theoretic basis for preventive and therapy of EBL, and consult dates for T lymphoid cell leucosis of human being .

本研究检查并剖检了14例临床与实验室诊断为EBL的病牛,观察分析了肿瘤发生的情况和特征,采用免疫组织化学ABC法、原位末端标记TUNEL技术和免疫荧光流式细胞检测法等技术,从EBL肿瘤细胞凋亡特性入手,围绕4种凋亡因子和几种免疫相关因子与EBL肿瘤发生的关系及其在诊治方面的应用进行了首次有价值的探索,其目的在于为防治EBL提供科学的理论依据,同时,也将为人类T细胞白血病Ⅰ。

CD8~+ cell is the main T lymphocyte subset in spleen, and B lymphocyte mainly is IgG~+ cell, moreover the amount of these B lymphocytes could exceed CD3~+ T lymphocyte subset after 7 days. CD8~+ cell is the main T lymphocyte subset in tonsil of appendix, and B lymphocyte is IgM~+ cell, and the amount could exceed CD3~+ T lymphocytes after 35 days. After 21 days, B lymphocytes in esophago tonsil are the main IgA~+ cells and the amount exceeds CD3~+ lymphocytes. The amount of CD4~+ lymphocytes is more than CD8+ lymphocytes.4. CD3~+、CD4~+ and CD8~+ T lymphocytes in spleen mainly distribute in periarterial lymphoid sheath. However IgM~+、IgG~+ and IgA~+ cells mainly distribute in ellipsoid periarterial lymphoid sheath and germinal center. T lymphocytes in appendix tonsil mainly distribute in middle and inferior part of mucous and the B lymphocytes mainly in middle and mucous between 4~7 days. Whereafter T, B lymphocytes equably distribute in mucous. CD4~+ cells arrange tightly and mainly occupy the central part in aggregates of T lymphocytes in esophago tonsil and CD8~+ lymphocytes mainly distribute in periphery. Meanwhile B lymphocytes encircle the periphery of aggregates of T lymphocytes. The aggregates of B lymphocytes is mainly the germinal center with lots of IgM~+、IgG~+ and IgA~+ cells. Meanwihle T lymphocytes encircle the periphery of aggregates of B lymphocytes.5. There is an intimate relationship between the development of tissue structure of peripheral immune organs and lymphcytopoiesis. The maturation of tissue structure is stimulated by the immigration of lymphocytes and the mature tissue structure provides place where lymphocytes grow mature and functionate.

脾脏在21日龄时达到稳定,食管扁桃体和盲肠扁桃体均在35日龄时达到稳定;脾脏中T淋巴细胞亚群以CD8~+细胞为主,B淋巴细胞则以IgG~+细胞为主,并在7日龄后数量超过CD3~+T淋巴细胞;盲肠扁桃体中T淋巴细胞亚群以CD8~+细胞为主,B淋巴细胞以IgM~+细胞为主,并在35日龄后数量超过CD3~+T淋巴细胞;21日龄后,食管扁桃体中B淋巴细胞以IgA~+细胞为主,数量超过CD3~+细胞,CD4~+细胞的数量多于CD8~+细胞。4、在T、B淋巴细胞组织定位方面,脾脏中CD3~+、CD4~+和CD8~+T淋巴细胞主要分布在动脉周围淋巴鞘中,而IgM~+、IgG~+和IgA~+细胞主要分布在椭球周围淋巴鞘和生发中心中;4~7日龄时,盲肠扁桃体中T淋巴细胞主要分布在粘膜固有层的中下部区域,而B淋巴细胞则主要分布在中上部区域,随后各日龄T、B淋巴细胞均匀地分布在粘膜固有层中;在食管扁桃体的T淋巴细胞聚集物中,CD4~+细胞紧密排列,主要占据中央部位,CD8~+细胞主要散布在外周,同时B淋巴细胞又环绕在整个T淋巴细胞聚集物的外周;B淋巴细胞聚集物主要为生发中心,其中存在大量IgM~+、IgG~+和IgA~+细胞,同时T淋巴细胞又环绕在整个B淋巴细胞聚集物的外周。5、外周免疫器官的组织结构发育和淋巴细胞发生之间存在密切的关系,淋巴细胞迁入淋巴器官刺激组织结构的发育成熟,同时成熟的组织结构又为淋巴细胞发育成熟并行使功能活动提供场所。

1,After transfected the mutated mtDNA of colorectal carcinoma,the mtDNA D-loop region of the transfected cells displays new mutation points.2,The external source pieces of the mutated mtDNA can integrate to nuclear genome after transfection.3,There's no differences in apoptosis between combinations after transfected the mutation of mtDNA in NIH3T3 and LST cells.4,The mutated mtDNA may affect the action mechanism of occurrence and development in colorectal carcinoma through affecting its mtDNA mutation or integrating exogenetic mtDNA to its nuclear which may cause the abnormal expression of oncogene or anti-oncogene.

(1)转染突变的大肠癌细胞mtDNA后转染细胞的mtDNA均可发生多处的突变位点。(2)通过转染后突变的外源性的mtDNA可以整合到核基因组内。(3)突变的mtDNA转染LST细胞及NIH3T3细胞后,不影响转染细胞的凋亡改变。(4)mtDNA的突变可能通过影响体细胞mtDNA的突变和通过外源性mtDNA在核内的整合从而影响癌基因或抑癌基因的表达异常,从而参与肿瘤的发生发展。

1,After transfected the mutated mtDNA of colorectal carcinoma,the mtDNA D-loop region of the transfected cells displays new mutation points.2,The external source pieces of the mutated mtDNA can integrate to nuclear genome after transfection.3,There's no differences in apoptosis between combinations after transfected the mutation of mtDNA in NIH3T3 and LST cells.4,The mutated mtDNA may affect the action mechanism of occurrence and development in colorectal carcinoma through affecting its mtDNA mutation or integrating exogenetic mtDNA to its nuclear which may cause the abnormal expression of oncogene or anti-oncogene.

(1)转染突变的大肠癌细胞mtDNA后转染细胞的mtDNA均可发生多处的突变位点。(2)通过转染后突变的外源性的mtDNA可以整合到核基因组内。(3)突变的mtDNA转染LST细胞及NIH3T3细胞后,不影响转染细胞的凋亡改变。(4)mtDNA的突变可能通过影响体细胞mtDNA的突变和通过外源性mtDNA在核内的整合从而影响癌基因或抑癌基因的表达异常,从而参与肿瘤的发生发展。线粒体DNA;D―环区;突变;质粒;pcDNA3.1;转染

The adhesion test showed that small intestinal epithelium cells of 30-35-day-old postweaning piglets with both genotype M307~ and M307~ could adhere to the standard E.coli strain express F18ab fimbriae, the recombinant E.coli express F18ac rE.coli1534 and the recombinant pnirBMisL-fedF E.coli displaying FedF subunit on the surface of E.coli, but small intestinal epithelium cells with genotype M307~ and 3-day-old piglet could not adhere to the three kinds of bacteria descried above, the latter with good adherence capability of 987P fimbrial E.coli.

9仔猪小肠上皮细胞的黏附试验结果显示,30~35日龄M307~基因型和M307~基因型断奶仔猪的小肠上皮细胞均能与表达F18ab菌毛标准菌株107/86、诱导表达F18ac菌毛的重组大肠杆菌rE.coli1534及诱导菌体表面展示表达F18黏附亚单位FedF的重组大肠杆菌pnirBMisL-fedF发生黏附作用,而同日龄M307~基因型断奶仔猪的小肠上皮细胞均不能与上述三株大肠杆菌发生黏附作用。3日龄易感仔猪小肠上皮细胞也不能黏附上述三株大肠杆菌,但可以很好地黏附表达于987P菌毛的大肠杆菌。

The results showed that Golgi complex was an organelle that experienced a series of changes during four stages of the oogenesis of Bullacta exarata , which were oogonia, early vitellogenic oocyte, mid-vitellogenic oocyte and end vitellogenic oocyte.

结果表明,在泥螺卵子发生的四个时期即卵原细胞期、卵黄发生早期、卵黄发生中期和卵黄发生后期,卵母细胞内高尔基复合体经历了一系列的变化。

The result showed that LPS inhibited the proliferation of pulp cells when its concentration was 100μg /ml; it could induce the apotosis of the cell when in 250μg /ml and it could lead the pulp cell to die when in 450 μg/ml.

g/ml浓度的LPS可抑制细胞生长,使细胞体积缩小;200μg/ml浓度的LPS可使个别细胞收缩变圆,发生类似凋亡样改变;而400μg/ml浓度的LPS可使细胞肿大、破碎发生坏死样改变。

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推荐网络例句

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时,滚道或滚动元件褪色是很常见的特征。

The lawyer's case blew up because he had no proof.

律师的辩护失败,因为他没有证据。