UniProt Accession Number of Target Protein: Q8VE98
Alternative Name(s) of Target: B7H3; CD276Immunogen: This antibody was generated by immunizing Sprague Dawley rats with B7-H3-Ig, consisting of the extracellular domain (aa1–242 of mouse B7-H3) linked to the Fc portion of mouse IgG2a, emulsified in CFA (Difco). The antibody was selected by its reactivity to mouse B7-H3-transfected cells, but not to parental cells by flow cytometry.
Specificity: This antibody binds to mouse B7-H3 and does not react with other B7-family molecules.
Application Notes: This antibody has been used to detect murine B7-H3 by flow cytometry. It blocks B7-H3 signalling and can supress priming of Th2-responses and thereby the development of asthmatic responses in an ovalbumin-induced asthma model in BALB/c mice.
Antibody first published in:Nagashima et al.B7-H3 contributes to the development of pathogenic Th2 cells in a murine model of asthma.J Immunol. 2008 Sep 15;181(6):4062-71PMID:18768862Note on publication:Describes the generation and initial characterisation of this antibody.
Immunofluorescence staining of fixed mouse splenocytes with anti-B7-H3 (CD276) antibody MJ18 (Ab00884) Immunofluorescence analysis of paraformaldehyde fixed mouse (Mus musculus) splenocytes on Shi-fix™ coverslips, permeabilized with 0.15% Triton stained with the chimeric rabbit version of MJ18 (Ab00884-23.0) at 10 µg/ml for 1h followed by Alexa Fluor® 488 secondary antibody (1 µg/ml), showing weak membrane staining of a subset of cells. The nuclear stain is DAPI (blue). Panels show from left-right, top-bottom Ab00884-23.0, DAPI, merged channels and an isotype control. The isotype control was stained with an anti-Fluorescein antibody (Ab102-23.0) followed by Alexa Fluor® 488 secondary antibody
Binding curve of anti-B7-H3 antibody MJ18 (Ab00884-23.0) to mouse B7-H3-Fc fusion protein ELISA Plate coated with mouse B7-H3-Fc fusion protein (Pr00158-1.9) at a concentration of 5 µg/ml. A 3-fold serial dilution from 10,000 to 0.1 ng/ml was performed using Ab00884-23.0. For detection, a 1:4000 dilution of HRP-labelled goat anti-rabbit antibody (Bio-Rad) was used.
Absolute Antibody于2012年在英国剑桥成立,是由英国牛津大学Hutchings博士和Barclay教授创办的第二代抗体公司,可以在两周内提供100mg级的工程化抗体,并且不含动物成分,批间差极小,消除因补体和Fc受体造成的背景,使结果更干净。该公司的成立顺应了Nature杂志为首的科学界提倡改变目前抗体供应混乱状况的时代潮流。目前提供国内的产品主要包括:
l 科研用生物仿制药抗体
l 嵌合单克隆抗体
l 用于体内实验的重组抗体
l 表位标签
l 重组非IgG同型对照
l 重组蛋白(Fc融合蛋白)