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Studying Pancreatic Cancer Stem Cell Characteristics for Developing New Treatment Strategies
Published on: June 20, 2015
Emerging Contribution of PancRNAs in Cancer
Neri Mercatelli1, Ramona Palombo1, Maria Paola Paronetto1,2
1Laboratory of Cellular and Molecular Neurobiology, IRCCS Fondazione Santa Lucia, 00143 Rome, Italy.
Abstract:
"Cancer" includes a heterogeneous group of diseases characterized by abnormal growth beyond natural boundaries. Neoplastic transformation of cells is orchestrated by multiple molecular players, including oncogenic transcription factors, epigenetic modifiers, RNA binding proteins, and coding and noncoding transcripts. The use of computational methods for global and quantitative analysis of RNA processing regulation provides new insights into the genomic and epigenomic features of the cancer transcriptome. In particular, noncoding RNAs are emerging as key molecular players in oncogenesis. Among them, the promoter-associated noncoding RNAs (pancRNAs) are noncoding transcripts acting in cis to regulate their host genes, including tumor suppressors and oncogenes. In this review, we will illustrate the role played by pancRNAs in cancer biology and will discuss the latest findings that connect pancRNAs with cancer risk and progression. The molecular mechanisms involved in the function of pancRNAs may open the path to novel therapeutic opportunities, thus expanding the repertoire of targets to be tested as anticancer agents in the near future.
Insights
Promoter-associated noncoding RNAs (pancRNAs) are key regulators in cancer development. Understanding pancRNA mechanisms offers new therapeutic strategies for cancer treatment.
Area of Science:
- Molecular Biology
- Genomics
- Cancer Research
Background:
- Cancer is a complex disease driven by genetic and epigenetic alterations.
- RNA processing and noncoding RNAs play critical roles in cellular transformation.
- Promoter-associated noncoding RNAs (pancRNAs) are emerging as significant regulators in oncogenesis.
Purpose of the Study:
- To review the role of pancRNAs in cancer biology.
- To discuss recent findings on pancRNAs in cancer risk and progression.
- To explore the therapeutic potential of targeting pancRNAs.
Main Methods:
- Computational analysis of RNA processing.
- Global and quantitative analysis of the cancer transcriptome.
- Review of current literature on pancRNAs in cancer.
Main Results:
- Noncoding RNAs, particularly pancRNAs, are crucial in cancer.
- pancRNAs regulate host genes, including tumor suppressors and oncogenes, in cis.
- Evidence links pancRNAs to cancer risk and progression.
Conclusions:
- pancRNAs are integral to cancer biology.
- Understanding pancRNA molecular mechanisms can lead to novel cancer therapies.
- pancRNAs represent a promising new class of anticancer drug targets.
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