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Functional Xeno Nucleic Acids for Biomedical Application.

Tingting Tu1, Shuangyan Huan1, Guoliang Ke1

  • 1State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082 P. R. China.

Chemical Research in Chinese Universities
|July 11, 2022
PubMed
Summary

Functional nucleic acids (FNAs) show promise in biomedicine, but natural nucleic acids have limitations. Xeno nucleic acids (XNAs) offer enhanced stability and biocompatibility for advanced biomedical applications.

Keywords:
Biomedical applicationChemical modificationFunctional nucleic acidXeno nucleic acid

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Area of Science:

  • Biochemistry
  • Biotechnology
  • Medicinal Chemistry

Background:

  • Functional nucleic acids (FNAs) have diverse applications in screening, sensing, and imaging.
  • Natural nucleic acids (DNA/RNA) face limitations in biomedical applications due to poor stability, biocompatibility, biodistribution, and immunogenicity.
  • Xeno nucleic acids (XNAs), chemically modified analogues, offer improved biological properties.

Purpose of the Study:

  • To review the design principles of functional xeno nucleic acids (XNAs).
  • To summarize the current biomedical applications of XNAs.
  • To highlight the potential of XNAs as advanced biomedical materials.

Main Methods:

  • Literature review of functional xeno nucleic acids research.
  • Analysis of XNA chemical modifications and their impact on biological properties.
  • Compilation of XNA applications in various biomedical fields.

Main Results:

  • XNAs exhibit enhanced biological stability, binding affinity, reduced immune responses, and improved cell/tissue targeting compared to natural nucleic acids.
  • Significant progress has been made in the design and synthesis of functional XNAs.
  • XNAs are emerging as promising materials for diverse biomedical applications.

Conclusions:

  • Xeno nucleic acids represent a significant advancement over natural nucleic acids for biomedical use.
  • The improved properties of XNAs facilitate their application in areas previously limited by DNA/RNA.
  • Continued research into XNA design and application holds great promise for future biomedical innovations.