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Updated: Jul 4, 2025

In Silico Identification and Characterization of circRNAs During Host-Pathogen Interactions
Published on: October 21, 2022
A therapeutical insight into the correlation between circRNAs and signaling pathways involved in cancer pathogenesis
Raed Obaid Saleh1, Sulieman Ibraheem Shelash Al-Hawary2, Saade Abdalkareem Jasim3
1Department of Medical Laboratory Techniques, Al-Maarif University College, Al-Anbar, Iraq.
Abstract:
Pre-messenger RNA molecules are back-spliced to create circular RNAs, which are non-coding RNA molecules. After a thorough investigation, it was discovered that these circRNAs have critical biological roles. CircRNAs have a variety of biological functions, including their ability to operate as microRNA sponges, interact with proteins to alter their stabilities and activities, and provide templates for the translation of proteins. Evidence supports a link between the emergence of numerous diseases, including various cancer types, and dysregulated circRNA expression. It is commonly known that a significant contributing element to cancer development is the disruption of numerous molecular pathways essential for preserving cellular and tissue homeostasis. The dysregulation of multiple biological processes is one of the hallmarks of cancer, and the molecular pathways linked to these processes are thought to be promising targets for therapeutic intervention. The biological and carcinogenic effects of circRNAs in the context of cancer are thoroughly reviewed in this article. Specifically, we highlight circRNAs' involvement in signal transduction pathways and their possible use as novel biomarkers for the early identification and prognosis of human cancer.
Insights
Circular RNAs (circRNAs) have vital roles in cell functions and disease. This review explores their involvement in cancer, highlighting their potential as diagnostic biomarkers and therapeutic targets.
Area of Science:
- Molecular Biology
- Genetics
- Oncology
Background:
- Circular RNAs (circRNAs) are non-coding RNA molecules formed from back-splicing of pre-messenger RNA.
- CircRNAs perform critical biological functions, including acting as miRNA sponges, modulating protein activity, and serving as translation templates.
- Dysregulated circRNA expression is linked to various diseases, particularly cancer, due to the disruption of molecular pathways maintaining homeostasis.
Purpose of the Study:
- To review the biological and carcinogenic effects of circRNAs in cancer.
- To highlight the involvement of circRNAs in signal transduction pathways.
- To explore the potential of circRNAs as novel biomarkers for early cancer detection and prognosis.
Main Methods:
- Literature review of studies on circRNA biogenesis, function, and role in cancer.
- Analysis of circRNA involvement in key cancer-related molecular pathways.
- Evaluation of current evidence for circRNAs as cancer biomarkers.
Main Results:
- CircRNAs exhibit diverse functions, impacting gene regulation and protein interactions.
- Aberrant circRNA expression is a hallmark of many cancers, affecting cellular processes.
- CircRNAs play roles in various cancer-related signal transduction pathways.
Conclusions:
- CircRNAs are critical players in cancer development and progression.
- CircRNAs hold significant promise as biomarkers for early cancer diagnosis and prognosis.
- Targeting circRNAs presents a potential therapeutic strategy for cancer treatment.
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