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相关概念视频

The Tumor Microenvironment02:17

The Tumor Microenvironment

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Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...
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Animal Mitochondrial Genetics02:59

Animal Mitochondrial Genetics

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Among all the organelles in an animal cell, only mitochondria have their own independent genomes. Animal mitochondrial DNA is a double-stranded, closed-circular molecule with around 20,000 base pairs. Mitochondrial DNA is unique in that one of its two strands, the heavy, or H, -strand is guanine rich, whereas the complementary strand is cytosine rich and called the light, or L, -strand. Compared to nuclear DNA, mitochondrial DNA has a very low percentage of non-coding regions and is marked by...
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Export of Mitochondrial and Chloroplast Genes02:19

Export of Mitochondrial and Chloroplast Genes

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A eukaryotic cell can have up to three different types of genetic systems: nuclear, mitochondrial, and chloroplast. During evolution, organelles have exported many genes to the nucleus; this transfer is still ongoing in some plant species. Approximately 18% of the Arabidopsis thaliana nuclear genome is thought to be derived from the chloroplast’s cyanobacterial ancestor, and around 75% of the yeast genome derived from the mitochondria’s bacterial ancestor. This export has occurred...
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Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes02:16

Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes

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The present-day mitochondrial and chloroplast genomes have retained some of the characteristics of their ancestral prokaryotes and also have acquired new attributes during their evolution within eukaryotic cells. Like prokaryotic genomes, mitochondrial and chloroplast genomes neither bind with histone-like proteins nor show complex packaging into chromosome-like structures, as observed in eukaryotes. Unlike mitotic cell divisions observed in eukaryotic cells, mitochondria and chloroplasts...
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The Inner Mitochondrial Membrane01:28

The Inner Mitochondrial Membrane

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The inner mitochondrial membrane is the primary site of ATP synthesis. The inner membrane domain that forms a smooth layer adjacent to the outer membrane is called the inner boundary membrane. This domain contains membrane transporters that drive metabolites in and out of the mitochondria.  In contrast, the inner membrane network that invaginates into the matrix space is called the cristae membrane. This domain accounts for principle mitochondrial function as it accommodates the protein...
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Mitochondrial Membranes01:45

Mitochondrial Membranes

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A single mitochondrion is a bean-shaped organelle enclosed by a double-membrane system. The outer membrane of mitochondria is smooth and contains many porins - the integral membrane transporters. Porins enable free diffusion of ions and small uncharged molecules through the outer mitochondrial membrane but limit the transport of molecules larger than 5000 Daltons. Further, the outer mitochondrial membrane forms a unique structure called membrane contact sites with other subcellular organelles,...
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相关实验视频

Updated: Feb 14, 2026

Enrichment and Characterization of the Tumor Immune and Non-immune Microenvironments in Established Subcutaneous Murine Tumors
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Enrichment and Characterization of the Tumor Immune and Non-immune Microenvironments in Established Subcutaneous Murine Tumors

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在瘤微环境中的线粒体转移

Ryo Omae1,2, Takamasa Ishino1, Yosuke Togashi1,3,4

  • 1Department of Tumor Microenvironment, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan.

Cancer science
|February 13, 2026
PubMed
概括

线粒体在细胞之间转移,影响癌症的进展和免疫反应. 准这个过程提供了潜在的新癌症疗法.

关键词:
抗瘤免疫力 免疫力细胞对细胞的相互作用.线粒体中的线粒体.线粒体转移是线粒体的转移.瘤微环境是一个微环境.

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Microfluidic Device for Recreating a Tumor Microenvironment in Vitro
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科学领域:

  • 细胞生物学 细胞生物学
  • 癌症研究 癌症研究
  • 免疫学 免疫学 免疫学

背景情况:

  • 线粒体是关键的器官,参与能量生产,新陈代谢,亡和炎症.
  • 细胞间的线粒体转移是一种新发现的现象,对瘤微环境有重大影响.
  • 现有研究强调了线粒体转移在癌症发展和进展中的功能相关性.

研究的目的:

  • 在癌症的背景下探索线粒体转移的机制和功能意义.
  • 研究线粒体转移在瘤细胞适应和治疗抵抗中的作用.
  • 为了检查线粒体转移对瘤微环境中的抗瘤免疫力的影响.

主要方法:

  • 关于线粒体转移机制的最新研究的审查,包括道纳米管和细胞外囊泡.
  • 对调节因素的分析,如Miro1/2,连xin 43,ICAM-1,VCAM-1和反应性氧物种.
  • 检查关于线粒体转移对瘤细胞代谢,治疗逃避和T细胞功能的影响的证据.

主要成果:

  • 线粒体转移可以通过道化纳米管和细胞外囊泡发生,由特定的分子通路调节.
  • 瘤细胞可能从周围细胞中获得线粒体,以适应代谢压力并抵抗治疗.
  • 线粒体从瘤细胞转移到T细胞可以抑制抗瘤免疫反应.

结论:

  • 线粒体转移是瘤微环境中的一个关键过程,影响瘤进展和免疫逃避.
  • 准线粒体转移是一个有希望的新疗法策略,可以改善癌症治疗结果.
  • 需要进一步的研究来开发安全和特定的体内方法来操纵线粒体转移.