Related Experiment Video
Updated: May 24, 2025

09:53
In Vivo Nanovector Delivery of a Heart-specific MicroRNA-sponge
Published on: June 15, 2018
7.3K
Noncoding RNA as potential therapeutics to rescue mitochondrial dysfunction in cardiovascular diseases
Hafsat O Alabere1,2, Andrew D Taylor1,2, Brianna R Miller2,3
1Division of Exercise Physiology, West Virginia University School of Medicine, Morgantown, West Virginia, United States.
American Journal of Physiology. Heart and Circulatory Physiology
|February 28, 2025
Summary
Noncoding RNAs (ncRNAs) show therapeutic potential for cardiovascular diseases by regulating mitochondrial function. Targeting these ncRNAs to mitochondria offers a promising, yet challenging, therapeutic strategy.
Area of Science:
- Biochemistry
- Molecular Biology
- Cardiology
Background:
- Noncoding RNAs (ncRNAs) are crucial for mitochondrial function, particularly in cardiovascular diseases.
- While ncRNA manipulation is studied, their therapeutic application for cardiovascular diseases remains underexplored.
Purpose of the Study:
- To systematically review the roles of ncRNAs in mitochondrial dysfunction across cardiovascular diseases.
- To explore the potential of ncRNAs as mitochondrial-targeted therapeutics for cardiovascular conditions.
Main Methods:
- A comprehensive literature search was performed using Web of Science and Scopus databases.
- PRISMA guidelines were followed, including only English-language original research articles.
- 76 studies were included, identifying up to 100 ncRNAs as potential therapeutic biomarkers.
Main Results:
- Identified ncRNAs regulate key mitochondrial processes: oxidative phosphorylation (OXPHOS), fission/fusion, apoptosis, and calcium handling.
- Mitochondrial targeting strategies (peptides, liposomes, aptamers) can be conjugated to ncRNAs.
- Delivery to the heart can be achieved via pericardial or myocardial injections.
Conclusions:
- ncRNAs represent promising therapeutic targets for cardiovascular diseases by modulating mitochondrial function.
- Effective in vivo delivery methods for mitochondrial-targeting ncRNA therapeutics require further development.
Related Concept Videos
Electron Transport Chain: Complex I and II
10.1K
The mitochondrial electron transport chain (ETC) is the main energy generation system in the eukaryotic cells. However, mitochondria also produce cytotoxic reactive oxygen species (ROS) due to the large electron flow during oxidative phosphorylation. While Complex I is one of the primary sources of superoxide radicals, ROS production by Complex II is uncommon and may only be observed in cancer cells with mutated complexes.
ROS generation is regulated and maintained at moderate levels necessary...
ROS generation is regulated and maintained at moderate levels necessary...
10.1K
Types of RNA
63.0K
Overview
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
63.0K
Experimental RNAi
6.0K
RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
6.0K
Mitochondrial Membranes
7.1K
A single mitochondrion is a bean-shaped organelle enclosed by a double-membrane system. The outer membrane of mitochondria is smooth and contains many porins - the integral membrane transporters. Porins enable free diffusion of ions and small uncharged molecules through the outer mitochondrial membrane but limit the transport of molecules larger than 5000 Daltons. Further, the outer mitochondrial membrane forms a unique structure called membrane contact sites with other subcellular organelles,...
7.1K
Nonsense-mediated mRNA Decay
10.4K
The Upf proteins that carry out nonsense-mediated decay (NMD) are found in all eukaryotic organisms, including humans. Each protein has an individual role, but they need to work in collaboration. Upf1 is an ATP-dependent RNA helicase that unwinds the RNA helix. Because Upf1 can unwind any RNA, Upf2 and Upf3 are required to help Upf1 discriminate between nonsense and normal mRNAs.
Usually, Upf3 binds to an Exon Junction Complex (EJC) at mRNA splice sites. If a ribosome fully translates the mRNA,...
Usually, Upf3 binds to an Exon Junction Complex (EJC) at mRNA splice sites. If a ribosome fully translates the mRNA,...
10.4K
lncRNA - Long Non-coding RNAs
8.5K
In humans, more than 80% of the genome gets transcribed. However, only around 2% of the genome codes for proteins. The remaining part produces non-coding RNAs which includes ribosomal RNAs, transfer RNAs, telomerase RNAs, and regulatory RNAs, among other types. A large number of regulatory non-coding RNAs have been classified into two groups depending upon their length – small non-coding RNAs, such as microRNA, which are less than 200 nucleotides in length, and long non-coding RNA...
8.5K

