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Updated: Jun 28, 2025

A Murine Model of Subarachnoid Hemorrhage
Published on: November 21, 2013
Exploring the Role of Ferroptosis-Related Circular RNAs in Subarachnoid Hemorrhage
Yanju Song1, Xin Luo1, Liping Yao1
1Department of Neurology, The Third Hospital of Changsha, Changsha, 410015, China.
Insights
Circular RNAs (circRNAs) are involved in ferroptosis, a cell death process, following subarachnoid hemorrhage (SAH). Studying circRNAs may lead to new treatments and diagnostic tools for SAH brain injury.
Area of Science:
- Neuroscience
- Molecular Biology
- Biochemistry
Background:
- Subarachnoid hemorrhage (SAH) is a severe cerebrovascular event with high mortality and morbidity.
- Ferroptosis, a regulated cell death pathway, is increasingly recognized in SAH pathogenesis.
- Circular RNAs (circRNAs) are crucial in cellular processes and neural function.
Purpose of the Study:
- To explore the role of circRNAs in ferroptosis within the context of SAH.
- To investigate the potential of circRNAs as therapeutic targets for SAH-induced brain injury.
- To assess circRNAs as diagnostic biomarkers for SAH.
Main Methods:
- Review of current literature on circRNAs, ferroptosis, and SAH.
- Analysis of circRNA expression profiles in neural tissues.
- Exploration of the interplay between circRNAs and ferroptosis pathways (iron metabolism, lipid peroxidation).
Main Results:
- circRNAs play significant roles in regulating ferroptosis in SAH.
- Specific circRNAs are implicated in ferroptosis-associated brain injury.
- circRNAs show potential as biomarkers for SAH severity and prognosis.
Conclusions:
- circRNAs are key players in SAH pathogenesis via ferroptosis modulation.
- Targeting circRNAs offers a promising therapeutic strategy for SAH.
- circRNAs may serve as valuable diagnostic and prognostic biomarkers for SAH management.
Abstract:
Subarachnoid hemorrhage (SAH) is a devastating cerebrovascular event associated with high mortality and significant morbidity. Recent studies have highlighted the emerging role of ferroptosis, a novel form of regulated cell death, in the pathogenesis of SAH. Circular RNAs (circRNAs), have been found to play essential roles in various cellular processes, including gene regulation and disease pathogenesis. The expression profile of circRNAs in neural tissues, particularly in the brain, suggests their critical role in synaptic function and neurogenesis. Moreover, the interplay between circRNAs and ferroptosis-related pathways, such as iron metabolism and lipid peroxidation, is explored in the context of SAH. Understanding the functional roles of specific circRNAs in the context of SAH may provide potential therapeutic targets to attenuate ferroptosis-associated brain injury. Furthermore, the potential of circRNAs as diagnostic biomarkers for SAH severity, prognosis, and treatment response is discussed. Overall, this review highlights the significance of studying the intricate interplay between circRNAs and ferroptosis in the context of SAH. Unraveling the mechanisms by which circRNAs modulate ferroptotic cell death may pave the way for the development of novel therapeutic strategies and diagnostic approaches for SAH management, ultimately improving patient outcomes and quality of life.

