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Published on: April 12, 2019
What Is New in the miRNA World Regarding Osteosarcoma and Chondrosarcoma?
Gaia Palmini1, Francesca Marini2, Maria Luisa Brandi3
1Department of Surgery and Translational Medicine, University of Florence, Florence 50134, Italy. gaia.palmini@unifi.it.
Abstract:
Despite the availability of multimodal and aggressive therapies, currently patients with skeletal sarcomas, including osteosarcoma and chondrosarcoma, often have a poor prognosis. In recent decades, advances in sequencing technology have revealed the presence of RNAs without coding potential known as non-coding RNAs (ncRNAs), which provides evidence that protein-coding genes account for only a small percentage of the entire genome. This has suggested the influence of ncRNAs during development, apoptosis and cell proliferation. The discovery of microRNAs (miRNAs) in 1993 underscored the importance of these molecules in pathological diseases such as cancer. Increasing interest in this field has allowed researchers to study the role of miRNAs in cancer progression. Regarding skeletal sarcomas, the research surrounding which miRNAs are involved in the tumourigenesis of osteosarcoma and chondrosarcoma has rapidly gained traction, including the identification of which miRNAs act as tumour suppressors and which act as oncogenes. In this review, we will summarize what is new regarding the roles of miRNAs in chondrosarcoma as well as the latest discoveries of identified miRNAs in osteosarcoma.
Insights
Non-coding RNAs (ncRNAs), particularly microRNAs (miRNAs), are crucial in skeletal sarcoma development. This review highlights their roles as tumor suppressors and oncogenes in osteosarcoma and chondrosarcoma.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Skeletal sarcomas like osteosarcoma and chondrosarcoma have poor prognoses despite aggressive treatments.
- Non-coding RNAs (ncRNAs), including microRNAs (miRNAs), play significant roles in cellular processes and disease pathology.
- miRNAs are increasingly recognized for their involvement in cancer progression.
Purpose of the Study:
- To review recent advancements in understanding the role of microRNAs in skeletal sarcomas.
- To summarize the functions of specific miRNAs as tumor suppressors or oncogenes in osteosarcoma and chondrosarcoma.
Main Methods:
- Literature review of recent studies on microRNAs in skeletal sarcomas.
- Analysis of identified microRNAs involved in osteosarcoma and chondrosarcoma tumorigenesis.
Main Results:
- Identification of specific microRNAs influencing osteosarcoma and chondrosarcoma development.
- Categorization of microRNAs as either tumor suppressors or oncogenes in these cancers.
Conclusions:
- MicroRNAs are critical regulators in the tumorigenesis of osteosarcoma and chondrosarcoma.
- Further research into miRNA functions could lead to novel therapeutic strategies for skeletal sarcomas.
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