抗原

Methods HIV-1 env gp41 gene of BH10 strain (nt6 977-7 497) was constructed into expressing vector pBV221 and expressed in E. Coli HB101. The expressed proteins were purified on 15% SDS-PAGE, the specific protein gel was cut down, transferred onto nitrocellulose membrane and stained with ponceau for 10 minutes.

表达产物通过15%SDS-聚丙烯酰胺凝胶电泳初步分离纯化，根据RF值，切下含特异蛋白的胶带，以Western blot法转移在硝酸纤维素膜上；免疫血清法检测合格者制备的抗原检测条带，经国家标准参比血清检测。

Objective To study the expression and clinical significance of CK20 mRNA in portal vein blood of patients with colorectal carcinoma.

方法应用逆转录聚合酶链反应技术，检测63例大肠癌患者术中抽取的门静脉和外周血中CK20 mRNA和癌胚抗原表达的阳性率，并对所测结果进行分析和比较。

Antitumor immune response could be induced more potently by vaccination with IL-2 gene modified, antigen-pulsed DC.

IL-2基因修饰能使抗原冲击的DC诱导机体产生更强的抗肿瘤免疫反应。

Objective To study the clinical significance of Pre - s2 antigen of hepatitis B viruses.

目的 探讨乙型肝炎病毒前S2抗原（Pre-S2）检测在临床中的应用价值。

An antigen that induces the production of a precipitin.

抗原和抗体之间的吸引。

Several other diagnostic procedures including intradermal test, circumoval precipitin test and cercarienhullen reaction were also employed at the same time for the 67 proved cases, and their positive rates were found to be 41.7%, 80.6-94.0% 48 or 72 hours' i...

粪检阳性组的尾蚴膜和环卵反应阳性率分别达97.0％和94.0％。治疗后复查表明，环卵反应转阴率较尾蚴膜反应为高。作者还讨论了用日本血吸虫各期抗原检查曼氏血吸虫病病人及考核疗效的价值。

Indirect enzyme-linked immunosorbent assay for detecting antibodies against avian influenza virus was developed by using expressed full length nucleoprotein of H9N2 AIV in E.coli.263 chicken serum samples(including 243 clinical serum samples and 20 positive serum samples from H9N2 AIV vaccinated chicks) were detected by NP-ELISA,agar gel precipitin test,and hemagglutination inhibition.

以大肠杆菌系统表达的H9N2亚型禽流感病毒核蛋白为抗原，建立了禽流感间接酶联免疫吸附试验抗体检测技术。

Cluster of differentiation 44(CD44) is a principal cell surface receptor for hyaluronate, a major component of extracellular matrices.

人类白细胞分化抗原作为一种粘附分子，主要与细胞外透明质酸结合，参与关节软骨基质中透明质酸的代谢，因而它与各种骨关节疾病包括大骨节病关系密切。

In vitro,Mifepristone significantly inhibited the growth and the proliferation of human cervical carcinoma cell lines that are progestin receptor positive and reduced the expression of Ki-67 antigen of the cells.

米非司酮体外对PR阳性的人宫颈癌细胞有明显的抑制作用，通过降低细胞Ki-67抗原的表达而抑制其增殖。

Objective:To provide the target antigen for the development of a ZP vaccine by using a prokaryotic expression system.

目的：通过原核表达系统获得研制ZP疫苗的靶抗原。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。