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Comprehensive serum and tissue microRNA profiling in dedifferentiated liposarcoma
Isaku Kohama1,2, Naofumi Asano3, Juntaro Matsuzaki1
1Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo 104-0045, Japan.
Oncology Letters
|July 21, 2021
Summary
Specific microRNAs (miRNAs) show promise as biomarkers for dedifferentiated liposarcoma (DDLPS). These circulating miRNAs, found in exosomes, could aid in early diagnosis and treatment strategies for this rare cancer.
Area of Science:
- Oncology
- Molecular Biology
- Biochemistry
Background:
- Sarcoma, a rare cancer, presents challenges in understanding its pathogenesis and developing effective treatments due to its diverse subtypes.
- Circulating microRNAs (miRNAs), including those within exosomes, are emerging as potential cancer biomarkers, but their role in sarcoma is not well-defined.
Purpose of the Study:
- To investigate the potential of specific microRNAs (miRNAs) as biomarkers for dedifferentiated liposarcoma (DDLPS).
- To explore the expression and potential secretion of miRNAs in DDLPS tissues and exosomes.
Main Methods:
- Analysis of tissue and serum miRNA expression profiles in osteosarcoma, Ewing's sarcoma, and dedifferentiated liposarcoma (DDLPS).
- Evaluation of miRNA expression in human DDLPS cell lines and their derived exosomes.
Main Results:
- Identified five specific miRNAs (miR-1246, -4532, -4454, -619-5p, and -6126) as potential biomarkers for DDLPS.
- These identified miRNAs were found to be highly expressed in DDLPS cell lines and exosomes, indicating their secretion from tumor tissues.
Conclusions:
- Specific miRNAs, including miR-1246, -4532, -4454, -619-5p, and -6126, can serve as valuable biomarkers for DDLPS.
- These miRNAs hold potential for early diagnosis and as therapeutic targets in the management of DDLPS.
