本文报道以纯化的产毒性大肠杆菌菌毛F_(41)抗原,利用杂交瘤技术获得5株抗F_(41)抗原的单克隆抗体(1F6,2C5,3B6为IgG 1。1 H 5,4E11为IgM)。腹水抗体效价达10^(-6)培养上清抗体效价10^(-3)。通过免疫扩散、免疲印迹法及固相菌体ELISA试...本文报道以纯化的产毒性大肠杆菌菌毛F_(41)抗原,利用杂交瘤技术获得5株抗F_(41)抗原的单克隆抗体(1F6,2C5,3B6为IgG 1。1 H 5,4E11为IgM)。腹水抗体效价达10^(-6)培养上清抗体效价10^(-3)。通过免疫扩散、免疲印迹法及固相菌体ELISA试验证实,5株单克隆抗体均为针对ETEC菌毛F_(41)抗原的特异性抗体;红血球凝集抑制及肠上皮细胞粘附阻断试验证明1F6、2C5、3B6具有生物学活性,1H5与4E11无生物学活性,这可能(1)建立ELISA捕捉法,从粪便中直接检测F_(41)抗原以及用玻板凝集试验鉴定临床分离菌株。(2)用于F_(41)抗原性的分析及ETEC基因工程疫苗的监控手段。(3)为ETEC·F_(41)菌的致病性研究及被动免疫预防急性腹泻提供依据。展开更多
Antibodies against native glycosylated myelin-oligodendroc- yte-glycoprotein (MOG) were measured by ELISA in patients with multiple scler osis (MS) and controls. Anti-MOG IgM antibodies were elevated during the first ...Antibodies against native glycosylated myelin-oligodendroc- yte-glycoprotein (MOG) were measured by ELISA in patients with multiple scler osis (MS) and controls. Anti-MOG IgM antibodies were elevated during the first demyelinating event.Higher MOG-specific IgG antibodies were found in patients d uring relapses and in secondary chronic progressive MS compared to patients in r emission and healthy controls. Antibodies against native MOG may be a potential biomarker for MS.展开更多
文摘本文报道以纯化的产毒性大肠杆菌菌毛F_(41)抗原,利用杂交瘤技术获得5株抗F_(41)抗原的单克隆抗体(1F6,2C5,3B6为IgG 1。1 H 5,4E11为IgM)。腹水抗体效价达10^(-6)培养上清抗体效价10^(-3)。通过免疫扩散、免疲印迹法及固相菌体ELISA试验证实,5株单克隆抗体均为针对ETEC菌毛F_(41)抗原的特异性抗体;红血球凝集抑制及肠上皮细胞粘附阻断试验证明1F6、2C5、3B6具有生物学活性,1H5与4E11无生物学活性,这可能(1)建立ELISA捕捉法,从粪便中直接检测F_(41)抗原以及用玻板凝集试验鉴定临床分离菌株。(2)用于F_(41)抗原性的分析及ETEC基因工程疫苗的监控手段。(3)为ETEC·F_(41)菌的致病性研究及被动免疫预防急性腹泻提供依据。
文摘Antibodies against native glycosylated myelin-oligodendroc- yte-glycoprotein (MOG) were measured by ELISA in patients with multiple scler osis (MS) and controls. Anti-MOG IgM antibodies were elevated during the first demyelinating event.Higher MOG-specific IgG antibodies were found in patients d uring relapses and in secondary chronic progressive MS compared to patients in r emission and healthy controls. Antibodies against native MOG may be a potential biomarker for MS.
