Chapter title |
Integrin-Mediated Exosomal Homing to Organs.
|
---|---|
Chapter number | 12 |
Book title |
Cell-Secreted Vesicles
|
Published in |
Methods in molecular biology, January 2023
|
DOI | 10.1007/978-1-0716-3203-1_12 |
Pubmed ID | |
Book ISBNs |
978-1-07-163202-4, 978-1-07-163203-1
|
Authors |
Park, Eun Jeong, Shimaoka, Motomu |
Abstract |
Exosomes, the small extracellular vesicles of 40-150 nm in size, are secreted by nearly all types of cells and play a dynamic role in intercellular and interorgan communications. These vesicles secreted by source cells contain a variety of biologically active materials such as microRNAs (miRNAs) or proteins, thereby utilizing these cargoes in modifying molecular functionalities of the target cells in the remote tissues. Consequently, several key functions of microenvironmental niches in the tissues are regulated in an exosome-dependent manner. The precise mechanisms by which the exosomes bind and home to different organs remained largely unknown. In recent years, integrins, a large family of cell adhesion molecules, have been revealed to play a crucial role in guiding homing of exosomes to target tissues, as integrins regulate tissue-specific homing of cells. In this regard, it is imperative to experimentally determine the roles played by integrins on the exosomes in their tissue-specific homing. This chapter presents a protocol to investigate exosomal homing regulated by integrins in in vitro and in vivo settings. We focus on β7 integrin, as its role in mediating the gut-specific homing of lymphocytes has been well established. |
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