Exosomes derived from tumor cells contain various molecular components, such as proteins, RNA, DNA, lipids, and carbohydrates. These components play a crucial role in all stages of tumorigenesis and development. Moreover, they reflect the physiological and pathological status of parental tumor cells. Recently, tumor-derived exosomes have become popular biomarkers for non-invasive liquid biopsy and the diagnosis of numerous cancers. The interdisciplinary significance of exosomes research has also attracted growing enthusiasm. However, the intrinsic nature of tumor-derived exosomes requires advanced methods to detect and evaluate the complex biofluid. This review analyzes the relationship between exosomes and tumors. It also summarizes the exosomal biological origin, composition, and application of molecular markers in clinical cancer diagnosis. Remarkably, this paper constitutes a comprehensive summary of the innovative research on numerous detection strategies for tumor-derived exosomes with the intent of providing a theoretical basis and reference for early diagnosis and clinical treatment of cancer.
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http://dx.doi.org/10.3390/ijms23020868 | DOI Listing |
ACS Nano
January 2025
Key Lab of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, China.
As natural agonists of the stimulator of interferon genes (STING) protein, cyclic dinucleotides (CDNs) can activate the STING pathway, leading to the expression of type I interferons and various cytokines. Efficient activation of the STING pathway in antigen-presenting cells (APCs) and tumor cells is crucial for antitumor immune response. Tumor-derived exosomes can be effectively internalized by APCs and tumor cells and have excellent potential to deliver CDNs to the cytoplasm of APCs and tumor cells.
View Article and Find Full Text PDFAnal Chim Acta
February 2025
School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, PR China. Electronic address:
Exosomes, which are known to transport diverse proteins from parent cells to recipient cells, consequently influence the biological activities of the recipient cells. Among those proteins, the epithelial cell adhesion molecule (EpCAM), plays a crucial role as it is implicated in cell adhesion and signaling processes. As exosomal EpCAM potentially affects the migration of recipient cells, direct visualization with high spatial resolution is essential to better understand this impact and the role of exosomal EpCAM in recipient cells.
View Article and Find Full Text PDFEur J Med Chem
January 2025
School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China. Electronic address:
Exosomes are critical mediators of cell-to-cell communication in physiological and pathological processes, due to their ability to deliver a variety of bioactive molecules. Tumor-derived exosomes (TDEs), in particular, carry carcinogenic molecules that contribute to tumor progression, metastasis, immune escape, and drug resistance. Thus, TDE inhibition has emerged as a promising strategy to combat cancer.
View Article and Find Full Text PDFSci Data
January 2025
Department of Neurology, Beijing Anzhen Hospital, Capital Medical University, Beijing, 100029, China.
Cardiac myxoma (CM) is an important aetiology of stroke in young adults, and its diagnosis is difficult in patients having stroke because of the lack of diagnostic biomarkers. Tumour-derived exosomes play a crucial role in tumour growth, metastasis, immune regulation, and monitor disease development. Hence,we established an RNA-sequencing dataset for long non-coding RNA (lncRNA), microRNA (miRNA), and messenger RNA (mRNA) in the plasma and tumour-derived exosomes from four patients with cardiac myxoma-related ischaemic stroke (CM-IS) and six patients with cardiac myxoma without ischaemic stroke (non-IS CM).
View Article and Find Full Text PDFAdv Healthc Mater
January 2025
Department of Pharmaceutics, School of Pharmacy, Qingdao University, Qingdao, 266071, China.
In situ tumor vaccines, which utilize antigens generated during tumor treatment to stimulate a cancer patient's immune system, has become a potential field in cancer immunotherapy. However, due to the immunosuppressive tumor microenvironment (ITME), the generation of tumor antigens is always mild and not sufficient. Tumor-resident intracellular bacteria have been identified as a complete tumor microenvironment component to contribute to creating ITME.
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