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- 文献和实验
- 技术资料
- 保存条件:
常温,避光
- 克隆性:
单克隆
- 抗体名:
TNFA / TNF-alpha抗体
Antibody Type : Mouse Monoclonal Antibody ( Mouse mAb Service Platform )
克隆号 : 11
抗体宿主 : Mouse IgG1
缓冲液 : 0.2 μm filtered solution in PBS, 5% trehalose may be added in some batches. Please read the hardcopy of COA or contact our customer service to confirm the formulation.
制备方法 : This antibody was produced from a hybridoma resulting from the fusion of a mouse myeloma with B cells obtained from a mouse immunized with purified, recombinant Ferret TNFA / TNF-alpha (rF TNFA / TNF-alpha; Catalog#60002-FNAE; A3FBF1; Val 77-Leu 233). The IgG fraction of the cell culture supernatant was purified by Protein A affinity chromatography.
TNFA / TNF-alpha抗体 Background
Tumor necrosis factor alpha (TNFa), also known as cachectin and TNFSF1A, is the prototypic cytokine of the the TNF superfamily, and is a multifunctional molecule involved in the regulation of a wide spectrum of biological processes including cell proliferation, differentiation, apoptosis, lipid metabolism, and coagulation. TNFa is produced mainly by macrophages, and large amounts of this cytokine are released in response to lipopolysaccharide, other bacterial products, and Interleukin-1 (IL-1). TNFa is primarily produced as a 26 kDa type II transmembrane protein arranged in stable homotrimers, and a 55 kDa soluble trimeric form of TNFa is released via proteolytic cleavage by the metalloprotease TACE/ ADAM17. Two receptors mediating the TNFa function have been identified, the ubiquitous TNFRI from which most signaling are derived, and the hematopoietic cell-restricted TNFRII. Upon the TNFa trimers binding, TNF receptors also form trimers, undergo a conformational change, and enable the adaptor protein TRADD to bind to the death domain, and thus initiates the signal pathways such as the NF-kB, Jak/STAT, and the MAPK pathways, as well as the death signaling. As a major mediator of apoptosis, inflammation and immunity, TNFa has been implicated in the pathogenesis of a variety of diseases including autoimmune diseases, insulin resistance, and cancer.
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文献和实验烟雨无心客 请问大家有知道炎症信号通路中TNFa的特异性抑制剂是什么的吗?如果有文献最好。万分感谢! xiaoxiaoga Lenalidomide (Revlimid)Pomalidomide这两个是TNF-ALPHA的抑制剂, xiaoxiaoga References on Lenalidomide (Revlimid):[1] H Quach et al. Leukemia. 2010, 24:22–32[2] http://en.wikipedia.org/wiki
细胞增殖和分化:TNF促进T细胞MHCI类抗原表达,增强IL—2依赖的胸腺细胞、T细胞增殖能力,促进IL—2、CSF和IFN细胞的增殖和18分泌。TNF-α对某些肿瘤细胞具有生长因子样作用,并协同EGF、PDGF和胰岛素的促增殖作用,促进EGF受体表达。TNF也可促进c—myC和c—fos等与细胞增殖密切相关原癌基因的表达,引起细胞周期由GO期向G1期转变。最近报道TNF-β(LT)是EB病毒转化淋巴母细胞的自分泌生长因子,抗LT抗体、sTNFR以及TNF-α能抑制EB病毒转化淋巴细胞的增殖。
脾细胞与小鼠骨髓瘤细胞(P3-X63/Ag8)融合,融合的细胞既获得了亲代脾细胞分泌特异性抗体的特性,又具有骨髓瘤细胞大量繁殖的能力,成为一种既能分泌特异性抗体又能长命的杂交瘤细胞。该技术为抗体的分子生物学研究提供了全新的手段。极大地促进了免疫学,遗传学,分子生物学的快速发展。 但传统抗体目前也面临诸多问题,如: 每使用一管新抗体都需要进行滴定测试; 多种同型对照,实验设计繁琐; 需要添加Fc阻断试剂; 抗体不佳,阳性细胞群不明显; 抗体作为细胞生物学和生物化学中最重要的试剂之一,科学界每年在这类
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