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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...

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Meiotic Spindle Assessment in Mouse Oocytes by siRNA-mediated Silencing
09:16

Meiotic Spindle Assessment in Mouse Oocytes by siRNA-mediated Silencing

Published on: October 11, 2015

RNAi experiments in mouse oocytes and early embryos.

Petr Svoboda1, Paula Stein

  • 1Institute of Molecular Genetics, Academy of Sciences of Czech Republic, Videnska 1083, 142 20 Prague 4, Czech Republic. svobodap@img.cas.cz

Cold Spring Harbor Protocols
|February 12, 2010
PubMed
Summary

RNA interference (RNAi) is a powerful gene silencing tool. This review discusses using long double-stranded RNA (dsRNA) in mammalian oocytes and embryos, outlining experimental protocols for mouse models.

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Area of Science:

  • Molecular Biology
  • Developmental Biology
  • Genetics

Background:

  • RNA interference (RNAi) has revolutionized biological research since its 1998 discovery.
  • RNAi is widely used for targeted gene function inhibition across various scientific disciplines.
  • Long double-stranded RNA (dsRNA) is a key molecule in RNAi pathways.

Purpose of the Study:

  • To review the application of long dsRNA for gene function inhibition in mammalian oocytes and early embryos.
  • To discuss the advantages and disadvantages of employing long dsRNA in these specific biological contexts.
  • To introduce practical protocols for conducting RNAi experiments in mouse oocytes and embryos.

Main Methods:

  • Review of existing literature on RNA interference and dsRNA applications.
  • Discussion of experimental procedures for dsRNA preparation and microinjection into mouse oocytes and early embryos.
  • Introduction to the design and testing of transgenic RNAi constructs utilizing long hairpin RNA (lhRNA) expression.

Main Results:

  • Long dsRNA can effectively inhibit gene function in mammalian oocytes and early embryos.
  • Specific benefits and drawbacks associated with using long dsRNA in these sensitive developmental stages are identified.
  • Established protocols facilitate the implementation of RNAi experiments in mouse models.

Conclusions:

  • Long dsRNA is a valuable tool for studying gene function in mammalian oocytes and early embryos.
  • Careful consideration of protocols and potential drawbacks is essential for successful RNAi experiments.
  • The described methods support further research into early mammalian development using RNAi technology.