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Published on: January 7, 2019
The functions and oncogenic roles of CCAT1 in human cancer
Zheng Liu1, QianJun Chen2, Swei Sunny Hann3
1Laboratory of Tumor Biology, The Second Clinical Collage of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong Province, 510120, China.
Abstract:
In various human cancers, long non-coding RNAs (lncRNAs), a novel class of RNAs longer than 200 nucleotides without protein-coding potential, are implicated in a variety of biological processes, such as cell proliferation, invasion, metastasis, and apoptosis through regulation of gene expression at various levels including chromatin, splicing, transcriptional and post-transcriptional levels. However, the mechanisms underlying these are still elusive. Colon cancer-associated transcript 1(CCAT1) has received increased attention among those lncRNAs. Studies have shown high expression pattern and oncogenic role of CCAT1 in different types of cancer, and aberrant expression of CCAT1 has been involved in tumor-genesis, progression, metastasis, and patient survival via regulating different target genes and signaling pathways. In this review, we first introduce the concept, identification, and biological function of CCAT1; we then describe the mechanisms by which CCAT1 regulate the cancer proliferation and progression. In the last, we discuss emerging insights into the role of CCAT1 as potential biomarker and therapeutic target for novel treatment paradigms in cancer.
Insights
Long non-coding RNAs (lncRNAs) regulate cancer. Colon cancer-associated transcript 1 (CCAT1) is a key lncRNA involved in tumor growth and progression, offering potential as a cancer biomarker and therapeutic target.
Area of Science:
- Molecular Biology
- Genetics
- Oncology
Background:
- Long non-coding RNAs (lncRNAs) are crucial regulators of gene expression involved in various biological processes.
- Aberrant expression of lncRNAs, including CCAT1, is linked to cancer development and progression.
- The precise mechanisms of lncRNA action in cancer remain under investigation.
Purpose of the Study:
- To review the concept, identification, and biological functions of CCAT1.
- To elucidate the regulatory mechanisms of CCAT1 in cancer proliferation and progression.
- To discuss the potential of CCAT1 as a biomarker and therapeutic target in oncology.
Main Methods:
- Literature review of studies on CCAT1 in human cancers.
- Analysis of CCAT1's role in gene expression regulation at multiple levels.
- Synthesis of current understanding of CCAT1's involvement in oncogenesis and metastasis.
Main Results:
- CCAT1 is highly expressed and plays an oncogenic role in various human cancers.
- CCAT1 influences tumor-genesis, progression, metastasis, and patient survival.
- CCAT1 regulates cancer development by targeting specific genes and signaling pathways.
Conclusions:
- CCAT1 is a significant lncRNA with a well-defined role in cancer.
- Understanding CCAT1's mechanisms provides insights into cancer biology.
- CCAT1 holds promise as a diagnostic biomarker and therapeutic target for novel cancer treatments.
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