Background: Long chain non-coding RNAs (lncRNA) are a kind of transcript that is around 200 nucleotides long and can engage in life activities via epigenetic, transcriptional, and post-transcriptional regulation. One of the key members of lncRNAs, long stress-induced noncoding transcripts 5 (LSINCT5), is localized at Chr 5p and has been reported to be abnormally expressed in a range of cancers. We present a comprehensive review of LSINCT5's aberrant expression and regulatory mechanisms in malignant tumors.
Methods: The included studies were retrieved and summarized through the PubMed database using the keywords “LSINCT5” and “Cancer” in detail.
Results: LSINCT5 behaves as an oncogene and abundantly expresses in malignant tumorigenesis and progression. By sponging microRNAs (miRNA), interacting with proteins, participating in cellular transduction, and being regulated by transcription factors, LSINCT5 can stimulate malignant behavior in a variety of tumor cells, including proliferation, migration, invasion, and epithelial-mesenchymal transition (EMT). Furthermore, dysregulated LSINCT5 is usually associated with a poor prognosis.
Conclusion: LSINCT5 has the potential to become a tumor diagnostic and prognostic marker, generating new access to clinical applications.
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