相关实验视频

Updated: Sep 15, 2025

Advances in Human Induced Pluripotent Stem Cell-Derived Chimeric Antigen Receptor-Expressing Natural Killer Cells

Advances in Human Induced Pluripotent Stem Cell-Derived Chimeric Antigen Receptor-Expressing Natural Killer Cells

Published on: February 14, 2025

携带CCL19,CCR2B,高亲和度CD16,IL-15和NKG2D复合体的人类iPSC衍生的NK细胞增强了抗固体瘤活性

Yuma Fukutani¹, Kenji Kurachi¹, Yu-Suke Torisawa¹

¹Research Division, Kobe Research Institute, HEALIOS K.K., Kobe KIMEC Center Bldg. 3F, 1-5-2 Minatojima-Minamimachi, Chuo-Ku, Kobe, Hyogo, 650-0047, Japan.

Stem cell research & therapy

|July 14, 2025

概括

从人类诱导的多能干细胞 (hiPSCs) 获得的工程自然杀手 (NK) 细胞显示出对固体瘤的增强抗瘤活性. 这些经过修改的eNK细胞表现出改善的透性和招募免疫细胞的能力,提供了一种有前途的新细胞治疗方法.

科学领域:

免疫学免疫学免疫学
细胞生物学细胞生物学
生物技术是生物技术.

背景情况:

化学抗原受体 (CAR) -T和 -自然杀手 (NK) 细胞疗法对血液性恶性瘤有希望,但在固体瘤中面临挑战,包括缺乏定位,免疫抑制微环境和抗原逃逸.
具有特定基因的人类诱导多能干细胞 (hiPSC) 衍生NK细胞的工程旨在克服这些固体瘤治疗的局限性.

研究的目的:

设计由hiPSC衍生的NK细胞,以提高它们对固体瘤的抗瘤疗效.
评估这些工程NK (eNK) 细胞的体外和体外抗瘤功能.

主要方法:

六个基因 (CCL19,CCR2B,CD16,IL-15,NKG2D,DAP10) 通过使用piggyBac系统引入hiPSC,然后分化为NK细胞.
评估了包括细胞毒性,迁移和树突细胞招募在内的抗瘤功能. 在体内有效性被测试在一个Orthotopic肺癌小鼠模型.

主要成果:

基因工程hiPSCs成功地分化为表达所有转基因的NK细胞.
工程NK (eNK) 细胞表现出改善的活力,通过NKG2D和CD16增强的抗瘤功能,以及由于CCR2B的优异瘤透.
CCL19的表达促进了树突细胞的招募,而eNK细胞表现出强大的HLA-E表达瘤细胞溶解和优异的体内抗瘤活性.

结论:

工程化hiPSC衍生NK细胞代表了对固体瘤的有前途的新型采用细胞疗法.
这些eNK细胞克服了与固体瘤治疗相关的关键挑战,显示了增强的疗效和向瘤细胞溶解.

关键词:

基因工程是基因工程.人类诱导的多能干细胞干细胞.免疫治疗是一种免疫疗法.自然杀手细胞是什么?现成的产品是现成的产品.固体瘤是一个固体瘤.

更多相关视频

Natural Killer NK and CAR-NK Cell Expansion Method using Membrane Bound-IL-21-Modified B Cell Line

Natural Killer NK and CAR-NK Cell Expansion Method using Membrane Bound-IL-21-Modified B Cell Line

Published on: February 8, 2022

Using Human Induced Pluripotent Stem Cells for the Generation of Tumor Antigen-specific T Cells

Using Human Induced Pluripotent Stem Cells for the Generation of Tumor Antigen-specific T Cells

Published on: October 24, 2019

相关概念视频

Tumor Immunotherapy

Tumor Immunotherapy

Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.

Cytotoxic T Cells-mediated Immune Response

Cytotoxic T Cells-mediated Immune Response

Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...