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Engineered Aptamers to Probe Molecular Interactions on the Cell Surface.

Sana Batool1, Sanam Bhandari2, Shanell George3

  • 1Department of Chemistry, Lehman College, The City University of New York, 250 Bedford Park Blvd. West, Bronx, New York, NY 10468, USA. Sana.Batool@lc.cuny.edu.

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Summary

Nucleic acid aptamers are engineered into molecular scaffolds to monitor and modulate cell membrane interactions. This approach enhances understanding of cell surface receptors, aiding in developing medical diagnostics and therapeutics.

Keywords:
aptamersdiagnosticsmolecular modulatorsnanorobotsnanosensorstherapeutics

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Area of Science:

  • Biochemistry and Molecular Biology
  • Cell Biology
  • Biotechnology

Background:

  • Understanding molecular interactions on the cell membrane is crucial for deciphering cellular processes.
  • Molecular scaffolds can be engineered to modulate these membrane events.
  • Reliable scaffolds require targeting moieties with superior chemical versatility, such as nucleic acid aptamers.

Purpose of the Study:

  • To review the application of aptamers as monitors and modulators of molecular interactions on the mammalian cell surface.
  • To increase understanding of cell-surface receptor response to external stimuli.
  • To explore the potential for engineering improved medical diagnostics and therapeutics.

Main Methods:

  • Engineering molecular scaffolds coupled with aptamers for cell membrane targeting.
  • Utilizing aptamers' inherent chemical nature for site-specific modification into sensing molecules.
  • Employing in vitro evolution for aptamer selection against cell surface molecules.

Main Results:

  • Aptamers serve as versatile targeting moieties for molecular scaffolds.
  • Aptamer-based scaffolds can be designed to monitor and modulate cell surface molecular interactions.
  • This technology facilitates the study of cell-surface receptor behavior.

Conclusions:

  • Aptamer-based functional molecular scaffolds offer a powerful tool for investigating cell membrane events.
  • This approach advances our comprehension of cell-surface receptor dynamics.
  • The findings support the development of novel medical diagnostics and therapeutics.