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    • 32. 发明公开
    • 다능성 줄기세포의 제작, 유지, 증식을 증진하는 대사산물 및 이를 포함하는 조성물과 배양방법
    • 用于产生,维持,促进干扰素的不稳定生长的代谢物,包含其的组合物和使用该培养基的培养的干细胞的方法
    • KR1020130133703A
    • 2013-12-09
    • KR1020130061290
    • 2013-05-29
    • 한국생명공학연구원
    • 조이숙손명진손미영
    • C12N5/074C12N5/02C12N5/0735
    • C12N5/0696C12N5/0606C12N2500/38C12N2501/602C12N2501/603C12N2501/604C12N2501/606C12N5/0623C12N5/0018
    • According to the present invention, dedifferentiation-inducing efficiency can be promoted, and the time required for dedifferentiation can be significantly reduced by adding nicotinamide during a dedifferentiation-inducing cultivation process for generating pluripotent stem cells from a human differentiated cell. The nicotinamide was verified to suppress an age inducing process and oxidative stress which occur during a dedifferentiation-inducing process, and to effectively improve dedifferentiation-inducing culturing conditions by inducing cell proliferation and increased mitochondria activity. The present invention contributes to optimizing a process for generating induced pluripotent stem cells from a small quantity of patient-specific somatic cells that are obtained from a variety of sources and will significantly improve processes for developing an individually customized stem cell treating agent and novel drugs that can be clinically applied and contribute to accelerating practical application of the same. In another embodiment according to the present invention, the nicotinamide was confirmed under defined culturing conditions, in which vegetative cells and serum are not used, to be modifiable into a culture medium composition which effectively maintains an undifferentiated state of human embryonic stem cells and human pluripotent stem cells which are representative pluripotent stem cells. The present invention is expected to be useful in developing a mass production system for highly functional human pluripotent stem cells, which are required for commercialization of the human pluripotent stem cells.
    • 根据本发明,可以促进去分化诱导效率,并且通过在去分化诱导培养过程中通过添加烟酰胺来从人分化细胞产生多能干细胞来显着降低去分化所需的时间。 验证烟酰胺抑制在去分化诱导过程中发生的诱导过程和氧化应激,并通过诱导细胞增殖和增加线粒体活性来有效地改善去分化诱导培养条件。 本发明有助于优化从多种来源获得的少量患者特异性体细胞产生诱导性多能干细胞的方法,并且将显着改进用于开发单独定制的干细胞治疗剂和新药物的方法 可临床应用,有助于加速其实际应用。 在根据本发明的另一个实施方案中,在不使用营养细胞和血清的规定培养条件下证实烟酰胺可修饰成有效保持人胚胎干细胞和人多能的未分化状态的培养基组合物 干细胞是代表性的多能干细胞。 预期本发明可用于开发用于人多能干细胞商业化所需的高功能人多能干细胞的批量生产系统。
    • 33. 发明公开
    • 다능성 줄기세포의 제작, 유지, 증식을 증진하는 신규 저분자 화합물 및 이를 포함하는 조성물과 배양방법
    • 用于生成,保持,增殖的干细胞的不稳定生长的新型小分子化合物,包含其的组合物和使用该培养基的培养的细胞培养方法
    • KR1020130133638A
    • 2013-12-09
    • KR1020120126352
    • 2012-11-08
    • 한국생명공학연구원
    • 조이숙이경이정운
    • C07D209/20A61K31/404C12N5/0735C12N5/02
    • C12N5/0696C07D209/18C07D209/20C07D209/24C07D405/12C12N5/0606C12N2500/02C12N2500/30C12N2501/115C12N2501/602C12N2501/603C12N2501/604C12N2501/606C12N2501/999C12N2506/02C12N2506/09
    • According to the present invention, when novel low molecular weight compound RSC-133 is added during the reprogramming inducing culture for preparing pluripotent stem cells in human differentiated cells, the reprogramming inducing efficiency can be improved and the time for reprogramming induction can be significantly reduced. Particularly, it was verified that RSC-133 was substitutable for c-Myc which is a reprogramming inducing factor and a cancer-causing risk factor, and effectively improved the reprogramming inducing efficiency in both normal oxygen culture conditions and hypoxia culture conditions. Further, it was verified that RSC-133 inhibited the induction of aging, which occurs during the reprogramming inducing procedure, promoted the slowdown of cell proliferation, and induced epigenetic gene activation to improve reprogramming inducing culture conditions. The present invention contributes to the optimization of the procedure for preparing pluripotent stem cells from a small amount of patient-specific somatic cells secured from various sources, thereby remarkably improving the development of clinically applicable cell therapy products of personalized stem cells and the development of new drugs and contributing to the acceleration of commercialization thereof. According to another aspect of the present invention, it was verified that novel low molecular weight compound RSC-133 would be a culture medium composition that effectively maintains the undifferentiated state of human embryonic stem cells, which are representative pluripotent stem cells. The medium composition added with RSC-133 can effectively induce the undifferentiated proliferation of human embryonic stem cells, and are useful in developing the mass culture system of embryonic stem cells.
    • 根据本发明,在重编程诱导培养人类分化细胞中制备多能干细胞的新型低分子量化合物RSC-133中,可以改善重编程诱导效率,并可显着降低重编程诱导时间。 特别是证实RSC-133可替代作为重编程诱导因子和致癌危险因子的c-Myc,有效地提高了正常氧培养条件和缺氧培养条件下的重编程诱导效率。 此外,证实了RSC-133抑制了在重编程诱导过程中发生的老化诱导,促进细胞增殖减缓,并诱导表观遗传学基因激活以改善重编程诱导培养条件。 本发明有助于从各种来源获得的少量患者特异性体细胞中制备多能干细胞的方法的优化,从而显着改善个体化干细胞临床应用的细胞治疗产品的发展和新的 有助于加速商业化。 根据本发明的另一方面,证实新型低分子量化合物RSC-133可以是有效保持作为代表性的多能干细胞的人胚胎干细胞的未分化状态的培养基组合物。 加入RSC-133的培养基组成可以有效诱导人类胚胎干细胞的未分化增殖,可用于开发胚胎干细胞的大量培养系统。