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Digital PCR for Quantifying Circulating MicroRNAs in Acute Myocardial Infarction and Cardiovascular Disease
Published on: July 3, 2018
MicroRNAs in myocardial infarction
1Institute of Molecular and Translational Therapeutic Strategies (IMTTS), Hannover Medical School, Hannover, Germany. fiedler.jan@mh-hannover.de
Abstract:
The complexity of posttranscriptional regulation by noncoding microRNAs (miRNAs, miRs) is still not completely understood. A large fraction of the genome is under the control of miRs via (partial) complementary base pairing within the corresponding mRNA region. Myocardial infarction is characterized by strongly altered gene expression, deregulation of underlying signaling pathways, and crucial participation of several miRs in this context. Mechanistically, miR induction or repression after myocardial infarction triggers downstream events in a cell-type-specific manner, and interference with endogenous miR expression might regulate overall cardiac function. In this brief review, we (1) summarize the current knowledge about the importance of several miRs after myocardial infarction, (2) report about novel miR-based therapeutic approaches to counteract maladaptive remodeling upon cardiac ischemia, and (3) discuss briefly the use of miRs as biomarkers for cardiac ischemia.
Insights
MicroRNAs (miRNAs) play a key role in regulating gene expression after myocardial infarction. This review explores miRNA functions, therapeutic strategies, and their use as biomarkers for cardiac ischemia.
Area of Science:
- Molecular Biology
- Cardiovascular Biology
- Genetics
Background:
- Posttranscriptional gene regulation by microRNAs (miRNAs) is complex and not fully understood.
- miRNAs influence a significant portion of the genome through base pairing with messenger RNAs (mRNAs).
- Myocardial infarction (MI) involves altered gene expression, disrupted signaling pathways, and the involvement of specific miRNAs.
Purpose of the Study:
- To review the current understanding of key miRNAs in myocardial infarction.
- To discuss novel miRNA-based therapeutic strategies for cardiac ischemia.
- To explore the potential of miRNAs as biomarkers for cardiac ischemia.
Main Methods:
- Literature review of existing research on miRNAs and myocardial infarction.
- Analysis of studies investigating miRNA function in cardiac post-MI remodeling.
- Evaluation of emerging therapeutic and diagnostic applications of miRNAs.
Main Results:
- Specific miRNAs are critically involved in the cellular and molecular responses to myocardial infarction.
- miRNA modulation can impact cardiac function and maladaptive remodeling post-ischemia.
- miRNAs show promise as both therapeutic targets and diagnostic biomarkers.
Conclusions:
- miRNAs are crucial regulators in myocardial infarction, influencing gene expression and cardiac remodeling.
- Targeting miRNAs offers potential therapeutic avenues for treating cardiac ischemia.
- Further research into miRNAs can lead to improved diagnostic tools and treatments for cardiovascular diseases.
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