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  MBL(人)ELISA试剂盒(E-HK323-01)
   

MBL(人)ELISA试剂盒                                                货号:E-HK323-01

MBL, Human, ELISA kit

背景资料:The human MBL ELISA is a ready-to-use solid-phase enzyme-linked immunosorbent assay based on the sandwich principle with a working time of 4 hours· The efficient format of a plate with twelve disposable 8-well strips allows free choice of batch size for the assay· After activation, samples and standards are captured by solid bound mannan· Biotinylated tracer antibody will bind to captured MBL· Streptavidin-peroxidase conjugate will bind to the biotinylated tracer antibody· Streptavidin-peroxidase conjugate will react with the substrate, tetramethylbenzidine (TMB)· The enzyme reaction is stopped by the addition of citric acid· The absorbance at 450 nm is measured with a spectrophotometer· A standard curve is obtained by plotting the absorbance (linear) versus the corresponding concentrations of the MBL standards (log)· The MBL concentration of samples, which are run concurrently with the standards, can be determined from the standard curve·

产品描述: Mannose Binding Lectin (MBL) is a C-type lectin that is an important element in innate immunity· MBL belongs to the collectin family of proteins that consists of a collagen-like domain and a carbohydrate recognition domain (CRD)· Through this, MBL recognizes carbohydrates (e·g· mannose and N-acetylglucosamine) on pathogens· MBL forms several sizes of oligomers that are composed of subunits of three identical 32 kDa polypeptides· MBL is a pattern recognition receptor, and upon recognition of the infectious agent, MBL triggers the activation of the lectin-complement pathway through attached C1r/C1s-like serine proteases, designated MASP· The MBL-MASP complex proteolytically cleaves C4, C2 and C3· The lectin pathway is antibody and C1q-independent and is, therefore, independent of the classical and alternative complement activation pathway· MBL is synthesized by hepatocytes and has been isolated from the liver or serum of several vertebrate species· Normal human plasma contains MBL concentrations ranging from 10 to 5,000 ng/ml· Up to 12% of healthy Caucasian blood donors have MBL concentrations below 100 ng/ml· Low plasma concentrations have been associated with an inherited defect in opsonization· The MBL concentration is enhanced in infectious diseases· Measuring of MBL is indicated in recurrent infections (especially in children), primary/secondary immunodeficiencies, artherosclerosis/coronary heart disease, cystic fibrosis, transplantation, autoimmune diseases (SLE/Rheumatoid arthritis) and habitual abortion· MBL measurement is not affected by the presence of antibodies against mannan· In the human MBL assay, any influence of the classical pathway has been eliminated by using a special MBL-binding buffer, which inhibits the binding of C1q to immunocomplexes and disrupts the C1 complex, while leaving the function of the MBL complex intact·
产品特点:Detection level 0·41 ng/ml

保存建议:推荐4℃保存,有效期一年。

定购信息: 

产品名称 规格 操作手册 货号 询价
MBL(人)ELISA试剂盒 1 x 96 det PDF E-HK323-01 点击这里给我发消息
MBL(人)ELISA试剂盒 2 x 96 det PDF E-HK323-02  
VisionBlue快速细胞活力分析试剂盒 500 次 PDF C-K303-500  

表观遗传学产品全面解决方案列下:

产品名称 规格 操作手册 货号 询价
DNA羟甲基化定量试剂盒(荧光法) 48 次 PDF A-P-1037-48 点击这里给我发消息
DNA羟甲基化定量试剂盒(荧光法) 96 次 PDF A-P-1037-96  
DNA羟甲基化定量试剂盒(比色法) 48 次 PDF A-P-1036-48 点击这里给我发消息
DNA羟甲基化定量试剂盒(比色法) 96 次 PDF A-P-1036-96  
DNA甲基化定量试剂盒(荧光法) 48 次 PDF A-P-1035-48 点击这里给我发消息
DNA甲基化定量试剂盒(荧光法) 96 次 PDF A-P-1035-96  
DNA甲基化定量试剂盒(比色法) 48 次 PDF A-P-1034-48 点击这里给我发消息
DNA甲基化定量试剂盒(比色法) 96 次 PDF A-P-1034-96  
通用DNA甲基化试剂盒(定性分析) 48 次 PDF A-P-1011-48 点击这里给我发消息
通用DNA甲基化试剂盒(定性分析) 96 次 PDF A-P-1011-96  
超敏DNA甲基化定量试剂盒 48 次 PDF A-P-1021-48 点击这里给我发消息
超敏DNA甲基化定量试剂盒 96 次 PDF A-P-1021-96  
总DNA甲基化定量试剂盒 48 次 PDF A-P-1014-48 点击这里给我发消息
总DNA甲基化定量试剂盒 96 次 PDF A-P-1014-96  

推荐阅读:

关于5-hmC
5-hmC是近年来在动物组织中发现的,由胞嘧啶修饰而来。5-hmC在表观遗传学上的功能可能与5-甲基化胞嘧啶(5-mC)不同。尽管到现在为止还不确知其功能,有研究者猜测它在调控基因的表达与关闭过程中起着重要的作用。5-mC的发现让我们不得不重新评估DNA甲基信息,也不得不监测人类的健康组织和病理组织之间5-mC相对分布的差异。在EPI公司的MethylFlash技术之前,我们还没有发现任何直接的常规方法来检测5- hmC,以及区分5-hmC和5-mC

5-hmC 和 5-mC的区别
时下常用的DNA甲基化分析方法包括限制内切酶酶切和亚硫酸氢盐或MeDIP介导的MS-PCR和测序,这些技术都不适合用来检测5-hmC,因为它与5-mC事实上很难用这类方法区分开来。为了解决这个问题,EPIk研制了MethylFlash羟甲基化DNA定量试剂盒(荧光法)。本试剂盒提供了一种很经济的方法来检测5-羟甲基化胞嘧啶,并且区分5-hmC, 5-mC, 和 C,使得研究者能够重新评估他们的DNA甲基化信息,也能够在新样品中寻找DNA羟甲基化。

 
 
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