美国PeproTech公司是全球最大的重组细胞因子和蛋白生产商之一，始终致力于为生命科学研究开发重组蛋白及相关产品，如今已成为能提供多种高质量细胞因子和重组蛋白，相应的单克隆、多克隆和生物素标记抗体，以及ELISA试剂盒的引领者。PeproTech.的产品涵盖免疫调节蛋白、白介素、集落刺激因子、生长因子、无动物成分的重组蛋白、化学趋化因子、干扰素、脂联素、成纤维生长因子、转化生长因子、肿瘤坏死因子、神经营养素和防御素等诸多生命科学研究领域中重要的生物活性分子。PeproTech公司的产品种类、规格齐全，更新速度快，且价格适中，已广为中国的科研工作者所使用。
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为跟踪当今科研发展、满足日益增长的需求，PeproTech公司追求不断创新和与时俱进。PeproTech公司2020年1月推出4种新产品，分别是：
1.重组小鼠 Artemin
产品描述:Artemin is a disulfide‐linked homodimeric neurotrophic factor structurally related to GDNF, neurturin and persephin. These proteins belong to the cysteine knot superfamily of growth factors that assume stable dimeric protein structures. Artemin, GDNF, persephin and neurturin all signal through a multicomponent receptor system, composed of RET (receptor tyrosine kinase) and one of the four GFRα (α1‐α4) receptors. Artemin prefers the receptor GFRα3‐RET, but will use other receptors as an alternative. Artemin supports the survival of all peripheral ganglia, such as sympathetic, neural crest and placodally‐derived sensory neurons, and dopaminergic midbrain neurons. The functional human artemin ligand is a disulfide‐linked homodimer of two 12.0 kDa polypeptide monomers. Each monomer contains seven conserved cysteine residues, one of which is used for interchain disulfide bridging and the others are involved in intramolecular ring formation known as the cysteine‐knot configuration. Recombinant Murine Artemin is a disulfide‐linked homodimer formed by two identical 113 amino acid subunits with a calculated molecular weight of 24.2 kDa.
2.GMP级别重组人IL-15
产品描述:IL-15 is an immunomodulating cytokine that stimulates the proliferation of T lymphocytes and shares many biological properties with IL-2. IL-15 exerts its biological activities primarily on T cells. It is also essential in the development, survival and activation of NK cells.
3.GMP级别重组人IL-21
产品描述:IL-21 is a pleiotropic cytokine produced by CD4+ T cells in response to antigenic stimulation. Its action generally enhances antigen-specific responses of immune cells. Recombinant Human IL-21 is a 15.4 kDa protein consisting of 132 amino acid residues.
4.GMP级别重组人IL-7
产品描述:IL-7 is a hematopoietic growth factor that primarily affects early B and T cells. Produced by thymic stromal cells, spleen cells and keratinocytes, IL-7 can also co-stimulate the proliferation of mature T cells in combination with other factors, such as ConA and IL-2. Recombinant Human IL-7 is a 17.4 kDa protein containing 152 amino acid residues.
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