Interaction between lncRNAs and RNA-binding proteins (RBPs) influences DNA damage response in cancer chemoresistance

Forough Alemi1, Yadollah Poornajaf2, Foroogh Hosseini3

  • 1Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.

Molecular Biology Reports
|February 17, 2024
PubMed

Insights

Long non-coding RNAs (lncRNAs) and RNA-binding proteins (RBPs) interactions are key to cancer chemoresistance. Understanding how these molecules affect the DNA damage response (DDR) pathway can help develop new therapies to overcome treatment resistance.

Area of Science:

  • Molecular Biology
  • Cancer Research
  • Genetics

Background:

  • The DNA damage response (DDR) is vital for cellular repair after DNA damage, including chemotherapy-induced damage.
  • Cancer chemoresistance, where tumor cells evade chemotherapy, is a major obstacle in effective cancer treatment.
  • Long non-coding RNAs (lncRNAs) and RNA-binding proteins (RBPs) are emerging regulators in cancer biology and treatment response.

Purpose of the Study:

  • To review the current understanding of interactions between lncRNAs and RBPs in the context of cancer chemotherapy.
  • To elucidate the role of these interactions in modulating the DNA damage response (DDR) pathways.
  • To highlight the therapeutic potential of targeting lncRNA-RBP complexes for overcoming chemoresistance.

Main Methods:

  • Literature review of recent studies on lncRNAs, RBPs, DDR, and chemoresistance.
  • Analysis of molecular mechanisms underlying lncRNA-RBP interactions.
  • Synthesis of findings related to the impact on DDR signaling and cancer treatment outcomes.

Main Results:

  • lncRNAs and RBPs interact to regulate gene expression post-transcriptionally, influencing DDR signaling.
  • These interactions modulate genes critical for cancer chemoresistance.
  • RBPs can also regulate lncRNA expression and function within DDR pathways.

Conclusions:

  • The interplay between lncRNAs and RBPs significantly impacts cancer chemoresistance by affecting DDR.
  • Targeting lncRNA-RBP interactions presents a promising strategy for developing novel therapeutic approaches.
  • Further research into these molecular mechanisms is crucial for advancing cancer treatment.

Related Concept Videos

lncRNA - Long Non-coding RNAs02:39

lncRNA - Long Non-coding RNAs

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...
8.6K
Treatment Resistant Cancers02:56

Treatment Resistant Cancers

Cancer is the second leading cause of death in the United States. A cancer cell is genetically unstable and hence can mutate faster. They can also modify their microenvironment and escape immune surveillance. The difficulties in treating cancer are further compounded by the emergence of rapid resistance to anticancer drugs. The most common ways to attain resistance in cancer cells include alteration in drug transport and metabolism, modification of drug target, elevated DNA damage response, or...
3.3K
Types of RNA01:20

Types of 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 regulating 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 Performs Diverse...
5.8K
DNA Damage can Stall the Cell Cycle02:37

DNA Damage can Stall the Cell Cycle

In response to DNA damage, cells can pause the cell cycle to assess and repair the breaks. However, the cell must check the DNA at certain critical stages during the cell cycle. If the cell cycle pauses before DNA replication, the cells will contain twice the amount of DNA. On the other hand, if cells arrest after DNA replication but before mitosis, they will contain four times the normal amount of DNA. With a host of specialized proteins at their disposal,cells must use the right protein at...
9.2K
Nucleotide Excision Repair01:38

Nucleotide Excision Repair

DNA Distortion and Damage
Cells are regularly exposed to mutagens—factors in the environment that can damage DNA and generate mutations. UV radiation is one of the most common mutagens and is estimated to introduce a significant number of changes in DNA. These include bends or kinks in the structure, which can block DNA replication or transcription. If these errors are not fixed, the damage can cause mutations, which in turn can result in cancer or disease depending on which sequences are...
3.5K
Epigenetic Regulation01:37

Epigenetic Regulation

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...
3.0K