首页 > Biolegend > Biolegend/Recombinant Rat TNF-alpha carrier-free/10 µg/580102

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Biolegend/Recombinant Rat TNF-alpha carrier-free/10 µg/580102

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DescriptionTNF-α was originally described as an endotoxin-induced, macrophage-derived factor that promotes hemorrhagic necrosis of solid tumors and the cachexia of chronic infections. TNF-α has also been implicated in a range of inflammatory, infectious, and malignant disorders. At the cellular level, TNF-α modulates a broad spectrum of responses including inflammation, immunoregulation, proliferation, apoptosis, and antiviral activity. In bone, the cytokine inhibits extracellular matrix deposition, stimulates matrix metalloprotease synthesis, and enhances production of osteoclastogenic cytokines such as M-CSF and RANKL. Chronic exposure to TNFa in vivo increases osteoclastogenesis through two distinct mechanisms. TNFa first affects osteoclastogenesis at the osteoclast precursor stage in the bone marrow by priming these cells to differentiate into cFms+/CD11b+/RANK+/- osteoclast progenitors via a RANKL/RANK independent mechanism. These osteoclast precursors then enter the blood and peripheral tissues where they differentiate into mature osteoclasts in the presence of RANKL, and this process is accelerated by TNF. The role of TNF at this later stage of osteoclast differentiation is RANKL/RANK dependent. Importantly, TNF-α promotes bone resorption both in vitro and in vivo by enhancing the proliferation and differentiation of osteoclast precursors.Product Details

美国BioLegend公司是世界著名的流式抗体生产商之一。BioLegend聚集了一批来自BD PharMingen公司的专业人士，建立了一支具有雄厚技术背景的专业队伍。通过其自身的先天优势，以及与世界知名实验室和研究所的良好合作关系，以最合理的价格为生物医药研究的各个前沿领域提供高质量的抗体、试剂盒及其他相关产品