Related Experiment Video

Updated: Aug 22, 2026

DNA Vector-based RNA Interference to Study Gene Function in Cancer
13:10

DNA Vector-based RNA Interference to Study Gene Function in Cancer

Published on: June 4, 2012

Oncogene suppression by small interfering RNAs

Olaf Heidenreich1

  • 1Department of Molecular Biology, Institute for Cell Biology, Faculty of Biology, Eberhard-Karls University of Tübingen, 72076 Tübingen, Germany. olaf.heidenreich@uni-tuebingen.de

Current Pharmaceutical Biotechnology
|August 24, 2004
PubMed

Insights

Small interfering RNAs (siRNAs) offer a novel approach to investigate and potentially treat cancers by targeting oncogenes. This method allows for specific cancer therapy with fewer side effects.

Area of Science:

  • Molecular Biology
  • Oncology
  • RNA Interference Therapeutics

Background:

  • Human cancers accumulate genetic lesions, including oncogene mutations, driving tumor growth.
  • The continuous requirement of specific oncogenes for tumorigenesis is often unclear.
  • Targeting oncogenes with conventional drugs is challenging due to potential side effects on normal cells.

Purpose of the Study:

  • To explore the potential of small interfering RNAs (siRNAs) in analyzing oncogene function in cancer.
  • To discuss the therapeutic promise of oncogene-specific siRNAs for cancer treatment.
  • To review the capabilities and constraints of using siRNAs against oncogenes.

Main Methods:

  • Application of RNA interference (RNAi) principles using small interfering RNAs (siRNAs).
  • Utilizing mammalian cell culture systems for functional analysis of oncogenes.
  • Reviewing existing literature on siRNA applications in oncogene research.

Main Results:

  • RNA interference provides novel tools to study the role of oncogenes in tumor development.
  • Oncogene-specific siRNAs demonstrate potential as targeted cancer therapeutics.
  • Examples of siRNA applications in functional oncogene analysis are presented.

Conclusions:

  • siRNAs offer a powerful method for both investigating oncogene roles in cancer and developing targeted therapies.
  • Oncogene-targeting siRNAs present a promising avenue for more specific and effective cancer treatment strategies.
  • Further research is needed to fully understand and overcome the limitations of siRNA-based cancer therapies.

More Related Videos

Dual CRISPR-Interference Strategy for Targeting Synthetic Lethal Interactions Between Non-Coding RNAs in Cancer Cells07:23

Dual CRISPR-Interference Strategy for Targeting Synthetic Lethal Interactions Between Non-Coding RNAs in Cancer Cells

Published on: May 30, 2025

TRUE Gene Silencing: Screening of a Heptamer-type Small Guide RNA Library for Potential Cancer Therapeutic Agents09:18

TRUE Gene Silencing: Screening of a Heptamer-type Small Guide RNA Library for Potential Cancer Therapeutic Agents

Published on: June 2, 2016

Related Concept Videos

Experimental RNAi02:15

Experimental RNAi

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...
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 ATP-dependent...
RNA Interference01:23

RNA Interference

RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
RNA Interference01:23

RNA Interference

RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
Small interfering RNAs (siRNA)02:30

Small interfering RNAs (siRNA)

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 ATP-dependent...
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...