METHODS FOR MAKING EXTRACELLULAR VESICLES, AND COMPOSITIONS AND METHODS OF USE THEREOF

    公开(公告)号:WO2023067394A2

    公开(公告)日:2023-04-27

    申请号:PCT/IB2022/000656

    申请日:2022-10-24

    发明人: OCHIYA, Takahiro

    IPC分类号: A61K35/36 A61P17/00 C12N5/00

    摘要: Methods of making extracellular vesicles (EVs) by culturing keratinocytes in culture media including a ROCK inhibitor, and harvesting EVs secreted by the keratinocytes are provided. In some embodiments, the EVs include or consist of exosomes. Typically, the proliferation of the keratinocytes and/or secretion of EVs is increased in the presence of the ROCK inhibitor compared to is absence. EVs made according to the disclosed methods, and pharmaceutical compositions formed therefrom are also provided. The pharmaceutical compositions can include an effective amount of the EVs to, for example, serve a nutraceutical and therapeutic application such as improving skin, treating a skin-related disease or disorder, or enhancing recovering from injury.

    毛囊黑素细胞干细胞移植术治疗白癜风的技术方法

    公开(公告)号:WO2022151450A1

    公开(公告)日:2022-07-21

    申请号:PCT/CN2021/072340

    申请日:2021-01-16

    发明人: 刘景卫

    IPC分类号: C12N5/071 A61K35/36 A61P17/00

    摘要: 本发明公开了毛囊黑素细胞干细胞移植术治疗白癜风的技术方法,该技术方法包括以下步骤:毛囊的提取;毛囊的分离;毛囊黑素细胞干细胞的体外培养;毛囊的灭活;毛囊黑素细胞干细胞的移植。本发明通过精准提取与分离方法获取含有毛囊黑素细胞干细胞的毛囊外毛根鞘,通过体外分离与培养以及毛囊灭活技术,实现术后白癜风只变黑不长毛,通过精准移植,实现点状型多毛囊口复色,从而达到快速祛白目的。