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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...
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...
Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell types that...
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 (lncRNA)...
Source And Potency Of Stem Cells01:27

Source And Potency Of Stem Cells

Stem cells are undifferentiated cells with extensive self-renewal properties that help them maintain their population during the fetal and adult stages of life. They can specialize in all cell types of the human body. However, their differential potential may vary and can be classified into five types. Stem cells can be (1) Totipotent, (2) Pluripotent, (3) Multipotent, (4) Oligopotent, and (5) Unipotent. Each stem cell has a specific origin; the fertilized egg or zygote is a totipotent cell and...

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Related Experiment Video

Updated: Jun 10, 2026

Identification of Key Factors Regulating Self-renewal and Differentiation in EML Hematopoietic Precursor Cells by RNA-sequencing Analysis
12:44

Identification of Key Factors Regulating Self-renewal and Differentiation in EML Hematopoietic Precursor Cells by RNA-sequencing Analysis

Published on: November 11, 2014

RNAi in stem cells: current status and future perspectives.

Gang-Ming Zou1

  • 1Department of Pathology and Otolaryngology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.

Methods in Molecular Biology (Clifton, N.J.)
|August 6, 2010
PubMed
Summary

RNA interference (RNAi) is a cellular process that silences gene expression. This review explores RNAi

Area of Science:

  • Molecular Biology
  • Genetics
  • Biotechnology

Background:

  • RNA interference (RNAi) is a conserved biological mechanism in eukaryotic cells for degrading foreign double-stranded RNA.
  • Over the past decade, RNAi has been established as a tool in mammalian cells to modulate gene expression.
  • Its applications span genetic discovery, correction, and therapeutic strategies for various diseases, including cancer.

Purpose of the Study:

  • To provide a comprehensive overview of RNAi-mediated gene silencing mechanisms.
  • To review published RNAi strategies impacting stem cell function.
  • To discuss the potential clinical applications of RNAi in cancer therapy, specifically targeting cancer stem cells.

Main Methods:

  • Literature review of RNAi mechanisms and applications.

More Related Videos

Cell Based Assays of SINEUP Non-coding RNAs That Can Specifically Enhance mRNA Translation
10:21

Cell Based Assays of SINEUP Non-coding RNAs That Can Specifically Enhance mRNA Translation

Published on: February 1, 2019

Related Experiment Videos

Last Updated: Jun 10, 2026

Identification of Key Factors Regulating Self-renewal and Differentiation in EML Hematopoietic Precursor Cells by RNA-sequencing Analysis
12:44

Identification of Key Factors Regulating Self-renewal and Differentiation in EML Hematopoietic Precursor Cells by RNA-sequencing Analysis

Published on: November 11, 2014

Cell Based Assays of SINEUP Non-coding RNAs That Can Specifically Enhance mRNA Translation
10:21

Cell Based Assays of SINEUP Non-coding RNAs That Can Specifically Enhance mRNA Translation

Published on: February 1, 2019

  • Analysis of studies demonstrating RNAi effects on stem cell behavior.
  • Exploration of therapeutic strategies involving RNAi for cancer treatment.

    • Main Results:

    • RNAi effectively suppresses gene expression through various molecular pathways.
    • Specific RNAi approaches have shown significant influence on stem cell differentiation and function.
    • Targeting cancer stem cells with RNAi presents a promising avenue for novel cancer therapies.

    Conclusions:

    • RNAi is a powerful tool for understanding and manipulating gene expression.
    • Its role in stem cell biology offers insights into developmental and disease processes.
    • RNAi-based therapies, particularly against cancer stem cells, hold significant clinical potential for future cancer treatment.