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Using microRNAs Networks to Understand Pancreatic Cancer-A Literature Review
Oskar Przybyszewski1, Michał Mik2, Michał Nowicki2
1Department of Nucleic Acid Biochemistry, Medical University of Lodz, 251 Pomorska St., 92-213 Lodz, Poland.
Biomedicines
|August 29, 2024
Summary
MicroRNAs (miRNAs) are key regulators in pancreatic cancer development and progression. Understanding their role in signaling pathways offers potential for improved diagnosis and treatment of this challenging disease.
Area of Science:
- Oncology
- Molecular Biology
- Gene Regulation
Background:
- Pancreatic cancer, particularly pancreatic ductal adenocarcinoma (PDAC), has a high mortality rate and remains difficult to diagnose and treat.
- MicroRNAs (miRNAs) are emerging as crucial gene expression regulators involved in various biological processes, including cancer development.
Purpose of the Study:
- To review the impact of microRNAs (miRNAs) on key signaling pathways and cellular processes in pancreatic cancer.
- To explore the potential of miRNAs in the diagnosis and treatment of pancreatic cancer.
Main Methods:
- Literature review of in vitro studies, animal models, and patient-derived samples (blood, saliva, tumor tissue).
- Analysis of dysregulated miRNAs in relation to major signaling pathways (KRAS, JAK/STAT, PI3/AKT, Wnt/β-catenin, TGF-β).
Main Results:
- Numerous dysregulated miRNAs identified in pancreatic cancer, affecting cell cycle, proliferation, apoptosis, and metastasis.
- Specific miRNAs (e.g., miRNA-23a, miRNA-24, miRNA-29c, miRNA-216a) implicated in crosstalk between signaling pathways.
- Evidence for miRNA utility in pancreatic cancer diagnosis and therapy is currently limited.
Conclusions:
- MicroRNAs play a significant role in the development, progression, and potentially diagnosis and treatment of pancreatic cancer.
- Further research is needed to fully elucidate and translate the clinical utility of miRNAs in managing pancreatic cancer.
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01:22MicroRNAs
MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...
01:22MicroRNAs
MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...
01:22MicroRNAs
MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...