Recent developments in affinity-based selection of aptamers for binding disease-related protein targets

Research output: Contribution to journalReview article

Abstract

The early diagnosis of cancerous or infectious diseases is of interest in medical biology and biochemistry. For such purposes, specific proteins such as cancer biomarkers and viral/bacterial proteins have been molecularly targeted by conventional antibodies for rapid and on-site detection. Recently, DNA aptamers have emerged as superior alternatives to the antibodies based on their high binding affinities and advantages in production. To select aptamer sequences from large DNA libraries, Systematic Evolution of Ligands by EXponential enrichment, or SELEX, has been used for almost 30 years. To date, a number of SELEX techniques have been developed to select specific aptamer sequences against cancer biomarkers or viral/bacterial proteins, resulting in an increasing number of discovery of aptamers exhibiting high binding affinities for the target proteins. In this review, we discuss recent (within 3 years) developments in affinity-based selection of DNA aptamers that are specific to disease-related proteins, such as proteins from tumors and viral/bacterial pathogens. The medical and physiological significance of these proteins motivated researchers to make chemical and physical variations to SELEX, which are introduced and discussed.

Original languageEnglish
Pages (from-to)2637-2653
Number of pages17
JournalChemical Papers
Volume73
Issue number11
DOIs
Publication statusPublished - 2019 Nov 1

Fingerprint

Viral Proteins
Nucleotide Aptamers
Proteins
Bacterial Proteins
Tumor Biomarkers
DNA
SELEX Aptamer Technique
Antibodies
Gene Library
Biochemistry
Communicable Diseases
Early Diagnosis
Pathogens
Research Personnel
Tumors
Ligands
Neoplasms

Keywords

  • Aptamer
  • Bacterial protein
  • Cancer biomarker
  • DNA library
  • SELEX
  • Viral protein

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering
  • Materials Chemistry

Cite this

Recent developments in affinity-based selection of aptamers for binding disease-related protein targets. / Li, Yan; Lee, Jae-Seung.

In: Chemical Papers, Vol. 73, No. 11, 01.11.2019, p. 2637-2653.

Research output: Contribution to journalReview article

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