Related Experiment Video
Updated: Jan 27, 2026

Isolation and Profiling of MicroRNA-containing Exosomes from Human Bile
Published on: June 13, 2016
An Insight into the Roles of MicroRNAs and Exosomes in Sarcoma
Isaku Kohama1,2, Nobuyoshi Kosaka3,4,5, Hirotaka Chikuda6
1Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan. ikohama@ncc.go.jp.
Abstract:
Sarcomas are rare solid tumors, but at least one-third of patients with sarcoma die from tumor-related disease. MicroRNA (miRNA) is a noncoding RNA that regulates gene expression in all cells and plays a key role in the progression of cancers. Recently, it was identified that miRNAs are transferred between cells by enclosure in extracellular vesicles, especially exosomes. The exosome is a 100 nm-sized membraned vesicle that is secreted by many kinds of cells and contains miRNA, mRNA, DNA, and proteins. Cancer uses exosomes to influence not only the tumor microenvironment but also the distant organ to create a premetastatic niche. The progression of sarcoma is also regulated by miRNAs and exosomes. These miRNAs and exosomes can be targeted as biomarkers and treatments. In this review, we summarize the studies of miRNA and exosomes in sarcoma.
Insights
MicroRNAs (miRNAs) and exosomes are crucial in sarcoma progression and metastasis. Targeting these molecules shows promise for novel sarcoma biomarkers and treatments.
Area of Science:
- Oncology
- Molecular Biology
- Biochemistry
Background:
- Sarcomas are rare cancers with high mortality, often driven by tumor progression.
- MicroRNAs (miRNAs) are key regulators of gene expression involved in cancer development.
- Exosomes, secreted vesicles carrying miRNAs, play a role in intercellular communication and cancer progression.
Purpose of the Study:
- To review the role of miRNAs and exosomes in sarcoma.
- To highlight their potential as biomarkers and therapeutic targets for sarcoma.
Main Methods:
- Literature review of studies on miRNAs, exosomes, and sarcoma.
- Analysis of exosome biogenesis, cargo, and intercellular transfer mechanisms.
- Examination of miRNA and exosome involvement in sarcoma progression and metastasis.
Main Results:
- miRNAs and exosomes are implicated in sarcoma development and progression.
- Exosomes facilitate intercellular communication, influencing the tumor microenvironment and premetastatic niche formation.
- Specific miRNAs and exosome-related pathways are potential targets for sarcoma therapy.
Conclusions:
- miRNAs and exosomes are significant factors in sarcoma biology.
- Targeting miRNAs and exosomes offers a promising avenue for developing novel diagnostic biomarkers and therapeutic strategies for sarcoma.
- Further research is needed to fully elucidate their roles and clinical applications.
Related Concept Videos
MicroRNAs
MicroRNAs
Overview of Exosomes
Stahl et al. discovered exosomes in 1983, but the exosomes were initially considered waste products released from the...
Rous Sarcoma Virus (RSV) and Cancer
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
Role of Septins
Cellular Functions of Septins
Recent studies have revealed the multifaceted roles of septins in various cellular processes such as cytokinesis, ciliogenesis, and neurogenesis. Septins act as scaffolds and...
The Role of Culture

