Epigenetic frontiers: miRNAs, long non-coding RNAs and nanomaterials are pioneering to cancer therapy

Rajkumar Prabhakaran1, Rajkumar Thamarai2, Sivabalan Sivasamy1

  • 1Central Research Facility, Santosh Deemed to be University, Ghaziabad, UP, India.

Epigenetics & Chromatin
|October 16, 2024
PubMed

Insights

Epigenetics, involving DNA methylation and RNA modifications, offers new avenues for cancer prevention and treatment. Epigenetic therapies and biomarkers show promise for early detection and improved patient outcomes in precision oncology.

Area of Science:

  • Oncology
  • Epigenetics
  • Molecular Biology

Background:

  • Cancer development involves genetic mutations and epigenetic alterations.
  • Epigenetics is crucial for innovative cancer prevention and treatment strategies.
  • Key epigenetic regulators include DNA methylation, histone modifications, and non-coding RNAs (ncRNAs).

Purpose of the Study:

  • To review recent advances in epigenetic-based cancer therapies.
  • To explore the potential of epigenetic biomarkers for cancer detection and prognosis.
  • To discuss novel therapeutic strategies like oligonucleotide-based therapies and epigenetic editing.

Main Methods:

  • Literature review of epigenetic mechanisms in cancer.
  • Analysis of DNA methylation, histone modifications, and ncRNAs (miRNAs, lncRNAs).
  • Examination of epigenetic therapies, biomarkers, and nanomedicine integration.

Main Results:

  • Epigenetic modifications significantly regulate cancer-related gene expression.
  • Epigenetic therapies hold potential to revolutionize patient outcomes.
  • Promising epigenetic biomarkers exist for early cancer detection and prognosis.
  • Oligonucleotide-based therapies (ASOs, antimiRs) and epigenetic editing offer precise modulation.
  • Nanomedicine integration enhances therapeutic efficacy.

Conclusions:

  • Epigenetics is central to precision oncology.
  • Targeting epigenetic markers can improve cancer treatment and patient outcomes.
  • Future research in epigenetic editing and nanomedicine will advance cancer therapy.

Related Concept Videos

Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
7.5K
MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...
3.0K
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...
8.5K
Cancer Therapies02:49

Cancer Therapies

Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
7.6K
Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
2
siRNA - Small Interfering RNAs02:30

siRNA - Small Interfering RNAs

Small interfering RNAs, or siRNAs, are short regulatory RNA molecules that can silence genes post-transcriptionally, as well as the transcriptional level in some cases. siRNAs are important for protecting cells against viral infections and silencing transposable genetic elements.
In the cytoplasm, siRNA is processed from a double-stranded RNA, which comes from either endogenous DNA transcription or exogenous sources like a virus. This double-stranded RNA is then cleaved by the...
16.6K