美國PeproTech公司是全球最大的重組細胞因子和蛋白生產商之一，始終致力于為生命科學研究開發重組蛋白及相關產品，如今已成為能提供多種高質量細胞因子和重組蛋白，相應的單克隆、多克隆和生物素標記抗體，以及ELISA試劑盒的世界領導者。PeproTech.的產品涵蓋免疫調節蛋白、白介素、集落刺激因子、生長因子、無動物成分的重組蛋白、化學趨化因子、干擾素、脂聯素、成纖維生長因子、轉化生長因子、腫瘤壞死因子、神經營養素和防御素等諸多生命科學研究領域中重要的生物活性分子。PeproTech公司的產品種類、規格齊全，更新速度快，且價格適中，已廣為中國的科研工作者所使用。

    為跟蹤當今科研發展、滿足日益增長的需求，PeproTech公司追求不斷創新和與時俱進。PeproTech公司2017年2月推出7種新產品，分別是：

1. 重組人GDF-15

產品描述：GDF-15 belongs to the TGF-β cytokine family, whose members play an important role during prenatal development and postnatal growth, and the remodeling and maintenance of a variety of tissues and organs. GDF-15 is expressed predominantly in the placenta and, to a much lesser extent, in various other tissues. The presence of GDF-15 in amniotic fluid and its elevated levels in the sera of pregnant women suggest GDF-15's involvement in gestation and embryonic development. GDF-15 generally exerts tumor suppressive activities and is one of the predominant factors produced and secreted in response to activation of the p53 pathway. Interestingly, the serum level of GDF-15 is positively correlated with neoplastic progression of several tumor types, including certain colorectal, pancreatic, and prostate cancers. Recombinant Human GDF-15/MIC-1 is a disulfide linked homodimeric protein consisting of two 112 amino acid polypeptide chains.  The calculated molecular weight of Recombinant Human GDF-15/MIC-1 is 24.6 kDa.

2. 重組人IL-37

產品描述：The IL-1 family is comprised of 11 structurally related ligands, including recently re-named IL-37 (IL-1F7), which acts as a modulator of the immune response. Reduction of IL-37 synthesis in PBMCs leads to increased production of proinflammatory cytokines including IL-1 alpha, IL-1 beta, IL-6 and TNF- alpha. The role of IL-37 as an inhibitor of the innate inflammatory response is also corroborated by the observation that it is highly expressed in synovial tissue from patients with rheumatoid arthritis. Full length IL-37 resides primarily in the cytoplasm, but after activation through cleavage by CASP1, it can translocate to the nucleus where it exerts its activity by direct interaction with SMAD3. Recombinant Human IL-37 is a 19.4 kDa protein consisting of 174 amino acids, corresponding to the mature activated form of IL-37.

3. 重組人IL-37(Animal Free)

產品描述：The IL-1 family is comprised of 11 structurally related ligands, including recently re-named IL-37 (IL-1F7), which acts as a modulator of the immune response. Reduction of IL-37 synthesis in PBMCs leads to increased production of proinflammatory cytokines including IL-1 alpha, IL-1 beta, IL-6 and TNF- alpha. The role of IL-37 as an inhibitor of the innate inflammatory response is also corroborated by the observation that it is highly expressed in synovial tissue from patients with rheumatoid arthritis. Full length IL-37 resides primarily in the cytoplasm, but after activation through cleavage by CASP1, it can translocate to the nucleus where it exerts its activity by direct interaction with SMAD3. Recombinant Human IL-37 is a 19.4 kDa protein consisting of 174 amino acids, corresponding to the mature activated form of IL-37. Manufactured using all Animal-Free reagents.

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