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Published on: February 2, 2024
Alterations of Epigenetic Regulators in Pancreatic Cancer and Their Clinical Implications
Brittany R Silverman1, Jiaqi Shi2
1Department of Pathology, School of Medicine, University of Michigan, Ann Arbor, MI 48109, USA. bsilv@umich.edu.
Abstract:
Pancreatic cancer is one of the most aggressive human cancer types with a five-year survival less than 7%. Emerging evidence revealed that many genetic alterations in pancreatic cancer target epigenetic regulators. Some of these mutations are driver mutations in cancer development. Several most important mechanisms of epigenetic regulations include DNA methylation, histone modifications (methylation, acetylation, and ubiquitination), chromatin remodeling, and non-coding ribonucleic acids (RNAs). These modifications can alter chromatin structure and promoter accessibility, and thus lead to aberrant gene expression. However, exactly how these alterations affect epigenetic reprogramming in pancreatic cancer cells and in different stages of tumor development is still not clear. This mini-review summarizes the current knowledge of epigenetic alterations in pancreatic cancer development and progression, and discusses the clinical applications of epigenetic regulators as diagnostic biomarkers and therapeutic targets in pancreatic cancer.
Insights
Pancreatic cancer involves epigenetic alterations, impacting gene expression and tumor development. Understanding these changes offers potential for new diagnostic biomarkers and therapeutic targets.
Area of Science:
- Oncology
- Epigenetics
- Molecular Biology
Background:
- Pancreatic cancer has a poor prognosis, with a five-year survival rate below 7%.
- Genetic alterations targeting epigenetic regulators are increasingly recognized in pancreatic cancer development.
- Epigenetic mechanisms like DNA methylation and histone modifications play crucial roles in gene regulation.
Purpose of the Study:
- To review current knowledge on epigenetic alterations in pancreatic cancer.
- To discuss the role of epigenetic reprogramming in pancreatic cancer progression.
- To explore clinical applications of epigenetic regulators as diagnostic biomarkers and therapeutic targets.
Main Methods:
- Literature review of current research on pancreatic cancer epigenetics.
- Analysis of studies detailing DNA methylation, histone modifications, chromatin remodeling, and non-coding RNAs.
- Discussion of how these epigenetic modifications influence gene expression and tumor development.
Main Results:
- Epigenetic alterations are significant drivers in pancreatic cancer.
- These modifications affect chromatin structure and gene expression, contributing to aberrant cellular activity.
- The precise impact on epigenetic reprogramming across different cancer stages requires further elucidation.
Conclusions:
- Epigenetic regulators are critical in pancreatic cancer development and progression.
- Targeting epigenetic alterations presents promising avenues for novel diagnostic and therapeutic strategies.
- Further research is needed to fully understand the complex epigenetic landscape in pancreatic cancer.
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