本品由我们的大肠杆菌表达系统制备而成，目的基因编码的Asp89-Leu235表达纯化得来。

TNF-alpha质量控制：＞95%(还原性SDS-PAGE)


TNF-alpha制剂：冻干品

TNF-alpha保存：
冻干蛋白置于-20℃以下可长期保存，室温条件下可稳定保存3周。
复溶蛋白溶液可在4～7℃保存2～7天，可分装后置于-20℃保存三个月。

TNF-alpha复溶：
打开试剂管前请先离心。
复溶浓度推荐大于100 μg/ml。
冻干蛋白请溶于ddH2O。
复溶后，请根据用量分装冻存，避免反复冻融。

关于TNF-alpha：
Tumor Necrosis Factor (TNF) is a member of the Tumor Necrosis Factor family. TNF exists as a homotrimer and interacts with SPPL2B. TNF is mainly secreted by macrophages and can induce cell death of certain tumor cell lines. TNF is a key cytokine in the development of several inflammatory disorders. It contributes to the development of type 2 diabetes throught its effects on insulin resistance and fatty acid metabolism.