Related Experiment Video
Updated: Jul 5, 2025

14:40
Exploring m6A and m5C Epitranscriptomes upon Viral Infection: an Example with HIV
Published on: March 5, 2022
3.3K
The impact of epitranscriptomic modifications on liver disease
Keith A Berggren1, Robert E Schwartz2, Ralph E Kleiner3
1Department of Molecular Biology, Princeton University, Princeton, NJ 08544, USA.
Trends in Endocrinology and Metabolism: TEM
|January 11, 2024
Summary
Epitranscriptomic modifications, like N6-methyladenosine (m6A) and 5-methylcytosine (m5C), dynamically regulate gene expression and are crucial for liver regeneration and disease. Understanding these RNA modifications offers new therapeutic avenues for liver conditions.
Area of Science:
- Molecular Biology
- Genetics
- Hepatology
Background:
- RNA modifications dynamically regulate gene expression, impacting crucial cellular processes.
- The liver's metabolic activity and regenerative capacity are influenced by epitranscriptomic control.
- Specific RNA modifications, m6A and m5C, are implicated in liver disease progression.
Purpose of the Study:
- To review the current understanding of RNA modifications in liver biology and disease.
- To highlight the roles of m6A and m5C in liver function and pathology.
- To identify areas for future research in epitranscriptomics and liver disease.
Main Methods:
- Literature review of studies on RNA modifications in hepatic tissue.
- Analysis of the regulatory roles of m6A and m5C in liver regeneration and injury response.
- Discussion of prognostic and therapeutic implications of epitranscriptomic markers.
Main Results:
- RNA modifications are key regulators of cell proliferation, differentiation, and metabolism in the liver.
- m6A and m5C serve as significant prognostic markers for liver diseases.
- These modifications represent potential targets for novel therapeutic strategies.
Conclusions:
- RNA modifications are integral to liver biology, influencing response to injury and regeneration.
- Further investigation into epitranscriptomics may unlock new treatments for liver diseases.
- Unexpected findings in this field hold promise for advancing liver disease management.
Related Concept Videos
Cell Specific Gene Expression
13.6K
Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
13.6K
Epigenetic Regulation
3.0K
Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...
X-chromosome...
3.0K
RNA Editing
9.0K
RNA editing is a post-transcriptional modification where a precursor mRNA (pre-mRNA) nucleotide sequence is changed by base insertion, deletion, or modification. The extent of RNA editing varies from a few hundred bases, in mitochondrial DNA of trypanosomes, to a just single base, in nuclear genes of mammals. Even a single base change in the pre-mRNA can convert a codon for one amino acid into the codon for another amino acid or a stop codon. This type of re-coding can significantly affect the...
9.0K
Translation
14.9K
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Proteins are...
Translation Produces the Building Blocks of Life
Proteins are...
14.9K
What is Gene Expression?
8.5K
A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is comprised of nucleotides and proteins are comprised of amino acids, a mediator is required to convert the information encoded in DNA into proteins. This mediator is the messenger RNA (mRNA). mRNA copies the blueprint from DNA by a process called transcription. In eukaryotes, transcription occurs in the nucleus by complementary base-pairing with the DNA template. The mRNA is then...
8.5K
Non-LTR Retrotransposons
11.5K
As the name suggests, non-LTR retrotransposons lack the long terminal repeats characteristic of the LTR retrotransposons. Additionally, both LTR and non-LTR retrotransposons use distinct mechanisms of mobilization. Non-LTR retrotransposons are further divided into two classes - Long interspersed nuclear elements (LINEs) and short interspersed nuclear elements (SINEs), both of which occur abundantly in most mammals, including humans. Some of the active non-LTR retrotransposons in humans are L1...
11.5K

