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Rapid Amplification of cDNA Ends, or RACE, is one of the most effective methods to obtain a full-length cDNA from an mRNA sequence between a known internal region to the unknown sequence at the 5’ or 3’ end. The unknown region is cloned in the cDNA by a gene-specific primer that binds the known end, and a hybrid primer that attaches a predefined anchor sequence to the unknown end of the cDNA. The sequence in between is amplified by PCR with an anchor primer and a gene-specific primer.
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Related Experiment Video

Updated: Jun 25, 2026

Rapid, Enzymatic Methods for Amplification of Minimal, Linear Templates for Protein Prototyping using Cell-Free Systems
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Rapid, Enzymatic Methods for Amplification of Minimal, Linear Templates for Protein Prototyping using Cell-Free Systems

Published on: June 14, 2021

Recent advances in cell-free PrPSc amplification technique.

Ryuichiro Atarashi1

  • 1Department of Molecular Microbiology and Immunology, Nagasaki University Graduate School of Biomedical Sciences, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan. atarashi@nagasaki-u.ac.jp

Protein and Peptide Letters
|March 12, 2009
PubMed
Summary

Cell-free amplification of abnormal prion protein (PrPSc) in vitro advances prion research. This technology aids understanding prion diseases and developing early diagnostic tests.

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Area of Science:

  • Neuroscience
  • Biochemistry
  • Molecular Biology

Background:

  • Prion diseases are fatal neurodegenerative disorders.
  • Abnormal prion protein (PrPSc) accumulation underlies prion diseases.
  • Understanding PrPSc formation is crucial for therapeutic development.

Purpose of the Study:

  • To review recent advancements in cell-free prion protein (PrPSc) amplification techniques.
  • To highlight the impact of these techniques on prion research.
  • To discuss their potential for early prion disease diagnosis.

Main Methods:

  • Review of current literature on cell-free PrPSc amplification.
  • Analysis of different amplification strategies and their efficiencies.
  • Discussion of technological innovations in the field.

Main Results:

  • Cell-free amplification techniques offer sensitive and specific detection of PrPSc.
  • These methods provide insights into the molecular mechanisms of prion propagation.
  • Progress in amplification technology facilitates the development of diagnostic tools.

Conclusions:

  • Cell-free PrPSc amplification is a powerful tool in prion disease research.
  • This technology holds significant promise for early diagnosis and understanding prion pathogenesis.
  • Continued development is expected to further revolutionize the field.