相关实验视频
Updated: Jun 5, 2025

11:50
Ex vivo Mimicry of Normal and Abnormal Human Hematopoiesis
Published on: April 10, 2012
15.4K
以红细胞为基础的仿生MOF作为增强抗白血病免疫力的三重表观遗传调节剂
Min Ding1, Xinlun Dai2, Chunfeng Yang1
1Department of Pediatric Intensive Care Unit, Children's Medical Center, The First Hospital of Jilin University, 1 Xinmin Street, Changchun, 130021, China.
Nano letters
|December 5, 2024
概括
这项研究引入了一种新的仿生纳米平台,将表观遗传药物与红细胞结合起来,以克服白血病治疗抵抗力并增强抗瘤免疫力.
科学领域:
- 生物医学工程 生物医学工程
- 纳米技术纳米技术
- 免疫治疗是一种免疫疗法.
背景情况:
- 表观遗传药物对白血病有前途,但由于缺氧微环境,面临着耐药性和药物敏感性差等挑战.
- 向表观遗传修饰是白血病治疗的关键策略.
研究的目的:
- 开发一种基于MOF的红细胞仿生纳米平台,用于增强白血病免疫治疗.
- 针对三个表观遗传修饰并克服耐药性.
主要方法:
- 合成了一个基于金属有机框架 (MOF) 的纳米平台 (UiO-66-NH2),载有表观遗传药物和红细胞 (RBC).
- 该纳米平台,MA272@MOF@RBC,旨在抑制缺氧诱导因子 (HIF-1α) 并增强表观遗传药物疗效.
- 研究了平台对白血病细胞中的DNA甲基化,基因素甲基化和m6A-RNA甲基化的影响.
主要成果:
- MA272@MOF@RBC抑制了HIF-1α及其下游瘤基因,提高了表观遗传药物的有效性.
- 该疗法通过调节DNA和基因素甲基化来抑制白血病细胞的生长,同时增强m6A-RNA甲基化.
- 激活了细胞毒性和记忆T细胞,增加了白血病细胞抗原性,并在固体瘤上表现出免疫治疗作用.
结论:
- 这项研究报告了三重表观遗传调节生物模拟MOFs的首次合成.
- 开发的纳米平台显示了瘤免疫治疗的显著临床潜力,克服了当前表观遗传药物的局限性.
关键词:
通过DNA甲基化.MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF通过RNA甲基化.急性骨髓性白血病 (AML) 是一种急性骨髓性白血病.红细胞的输送.基因组胺甲基化 基因组胺甲基化更多相关视频
09:44Flow Cytometric Analysis of Mitochondrial Reactive Oxygen Species in Murine Hematopoietic Stem and Progenitor Cells and MLL-AF9 Driven Leukemia
Published on: September 5, 2019
7.3K
14:51Pooled shRNA Library Screening to Identify Factors that Modulate a Drug Resistance Phenotype
Published on: June 17, 2022
3.2K
相关概念视频
Regulation of Hematopoietic Stem Cells
3.1K
All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...
3.1K
Role of Hematopoietic Growth Factors
1.2K
Hematopoietic growth factors are molecules that regulate the differentiation rate of hematopoietic stem cells (HSCs). Erythropoietin (EPO), primarily produced by the kidneys, plays a crucial role in erythrocyte production. When oxygen levels in the blood are low, EPO is released into the bloodstream, reaching the bone marrow, where it stimulates HSCs to differentiate and mature into erythrocytes, which are vital for oxygen transport.
Thrombopoietin (TPO), mainly released by the liver,...
Thrombopoietin (TPO), mainly released by the liver,...
1.2K