抗CD3/抗B细胞肿瘤的双功能小抗体的抗肿瘤活性研究

来源 :高技术通讯 | 被引量 : 0次 | 上传用户:abc747665
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
为评价已研制的抗CD3/抗B细胞肿瘤(CD20+)双功能小抗体的生物学活性,采用多种实验方法在体内外对其进行研究.结果表明:该型双功能小抗体能同时与Jurkat和Daudi细胞结合,并交联两种细胞形成玫瑰花环.它与Jurkat(CD3+)和Daudi细胞(CD20+)的结合的亲和常数Ka分别为3.2×108 M-1和8.9×108M-1.在体外该抗体能激活并介导T细胞杀伤Daudi细胞.裸鼠体内分布实验结果表明:该型抗体可在移植瘤部位富集;在人B淋巴瘤裸鼠移植瘤腹腔模型中,联合人的PBMC和IL-2,该抗体可以杀灭人B淋巴瘤细胞,明显延长荷瘤裸鼠的生存时间.
其他文献
AIM: To investigate the sonographic features at time of diagnosis and follow-up in patients with neutropenic en-terocolitis. METHODS: The sonographic findings i
AIM: To establish a more sensitive method for detection of free cancer cells in peritoneal washes from gastric cancer patients during surgery and to evaluate it
A 49-year-old Japanese woman was referred to our department because of high fever and a huge abdominal mass. Computed tomography (CT) and magnetic resonance (MR
AIM: To investigate the clinical and pathological significance of altered retinoblastoma (Rb) encoding protein (pRb) in gastric carcinoma.METHODS: Expression of
AIM: To analyze the relationship between smoking and nonalcoholic fatty liver disease (NAFLD). METHODS: This is a cross-sectional study of a healthy population,
从煤化工企业的发展现状及发展趋势出发,分析煤化工企业的风险问题研究的重要性及现实价值,从企业内部危险识别及风险控制两个角度来探讨煤化工企业的发展问题,并提出应对风
由于地下水过量开采引发了一系列问题,地下水回灌技术逐步发展起来。本文就采用城市污水回用于地下水回灌的水质、经济性、技术可行性几个方面进行分析。
Management of surgically placed ostomies is an important aspect of any general surgical or colon and rectal surgery practice. Complications with surgically plac
AIM: TO evaluate the mechanism underlying the effects of 5-Fluorouracil (5-FU) on adenoviral infection. METHODS: Low and high Coxsackievirus-Adenovirus Receptor