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During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA.  Marilyn Kozak discovered that the sequence RCCAUGG (where R...
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Nucleic Acid Tests for Clinical Translation.

Min Li1, Fangfei Yin1, Lu Song1,2

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Nucleic acid tests (NATs) are crucial for diagnosing diseases by analyzing DNA and RNA. This review covers advancements in NATs for improved detection and clinical applications.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Medical Diagnostics

Background:

  • Nucleic acids (DNA and RNA) are fundamental to genetic information storage, transmission, and expression.
  • Aberrant nucleic acid levels or mutations are linked to various diseases, highlighting the importance of accurate detection.
  • In vitro nucleic acid tests (NATs) are vital for clinical diagnosis, particularly for infectious diseases.

Purpose of the Study:

  • To provide a comprehensive review of the progress in nucleic acid analysis and detection technologies.
  • To explore the diverse applications of nucleic acids in recognition probes, detection devices, and clinical diagnostics.
  • To discuss emerging trends and future challenges in the field of nucleic acid testing.

Main Methods:

  • Review of existing literature on nucleic acid testing principles and applications.
  • Classification of NAT principles into hybridization, amplification (thermal-cycle or isothermal), and signal amplification.
  • Analysis of research trends and clinical translation of nucleic acid-based technologies.

Main Results:

  • Significant advancements in nucleic acid testing have enhanced specificity, sensitivity, and simplicity.
  • NATs have evolved into a rapidly advancing field driven by clinical needs.
  • Explosive growth in research interest over the past decade, spanning basic research to clinical translation.

Conclusions:

  • Nucleic acid testing is a rapidly advancing field with critical implications for disease diagnosis and prevention.
  • Continued innovation in NATs promises improved clinical outcomes and broader applications.
  • Addressing current challenges is essential for unlocking the full potential of nucleic acid-based diagnostics.