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Long Noncoding RNA in Digestive Tract Cancers: Function, Mechanism, and Potential Biomarker
Shuo Zeng1, Yu-Feng Xiao1, Bo Tang1
1Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, People's Republic of China.
Long noncoding RNAs (lncRNAs) show abnormal expression in digestive tract cancers (DTCs), impacting patient survival. Understanding lncRNA functions and mechanisms is crucial for developing new diagnostic biomarkers and therapeutic targets for DTCs.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Digestive tract cancers (DTCs) are a major global cause of cancer mortality.
- Current treatments for advanced DTCs are limited, and early diagnosis is hindered by a lack of effective biomarkers.
- There is a critical need for novel biomarkers for early detection and new therapeutic targets for DTCs.
Purpose of the Study:
- To review the role of long noncoding RNAs (lncRNAs) in the development and progression of digestive tract cancers.
- To summarize the functions and regulatory mechanisms of lncRNAs implicated in DTCs.
- To highlight the potential of lncRNAs as diagnostic biomarkers and therapeutic targets for DTCs.
Main Methods:
- Literature review focusing on studies investigating lncRNAs in digestive tract cancers.
- Analysis of research on the aberrant expression of lncRNAs in DTCs.
- Examination of the oncogenic and tumor-suppressive roles of lncRNAs in DTC progression.
Main Results:
- lncRNAs are frequently aberrantly expressed in DTCs.
- lncRNA expression profiles correlate with poor patient survival in DTCs.
- lncRNAs function as either oncogenes or tumor suppressor genes in DTCs.
Conclusions:
- lncRNAs play significant roles in the pathogenesis of digestive tract cancers.
- lncRNAs represent promising candidates for early diagnostic biomarkers and therapeutic targets in DTCs.
- Further research into lncRNA regulatory mechanisms is warranted for advancing DTC treatment strategies.
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Types of RNA
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...