RNF43 p.G659fs 通过 PI3K/AKT/mTOR 信号通路和 HLA-E 上调导致 MSI-high 结直肠癌中 NK 细胞功能障碍
RNF43 p.G659fs leads to natural killer cell dysfunction in MSI-high colorectal cancer through PI3K/AKT/mTOR signaling and HLA-E up-regulation.
CELL INTELLIGENCE · 肿瘤细胞治疗研究
肿瘤细胞治疗研究
英文原题:Image-Based Assessment of Natural Killer Cell Activity against Glioblastoma Stem Cells.
Image-Based Assessment of Natural Killer Cell Activity against Glioblastoma Stem Cells.
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胶质母细胞瘤(GBM)在肿瘤学中构成重大挑战,是最具侵袭性的脑癌形式。其难以控制的一个主要因素是具有干细胞样特性的癌细胞,称为胶质母细胞瘤干细胞(GSCs)。GSCs 具有自我更新和致瘤能力,导致 GBM 频繁复发并使治疗方式复杂化。虽然自然杀伤(NK)细胞在靶向和消除干细胞样癌细胞方面显示出潜力,但其在 GBM 微环境中的效力因浸润和功能受限而受到限制。为解决这一局限,针对增强 NK 细胞对 GSCs 活性的新研究势在必行。本研究提出了两种简化的基于图像的检测方法,用于评估 NK 细胞对 GSCs 的迁移和细胞毒性。它详细介绍了实验方案并探讨了这些方法的优势和局限性。这些检测方法可能有助于识别增强 NK 细胞对 GSCs 活性的新靶点,促进基于 NK 细胞的免疫治疗的发展,以改善 GBM 的治疗。
Glioblastoma (GBM) poses a significant challenge in oncology and stands as the most aggressive form of brain cancer. A primary contributor to its relentless nature is the stem-like cancer cells, called glioblastoma stem cells (GSCs). GSCs have the capacity for self-renewal and tumorigenesis, leading to frequent GBM recurrences and complicating treatment modalities.
While natural killer (NK) cells exhibit potential in targeting and eliminating stem-like cancer cells, their efficacy within the GBM microenvironment is limited due to constrained infiltration and function. To address this limitation, novel investigations focusing on boosting NK cell activity against GSCs are imperative.
This study presents two streamlined image-based assays assessing NK cell migration and cytotoxicity towards GSCs. It details protocols and explores the strengths and limitations of these methods. These assays could aid in identifying novel targets to enhance NK cell activity towards GSCs, facilitating the development of NK cell-based immunotherapy for improved GBM treatment.
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