Cited by 37Advanced biosensing and bioanalysis techniquesRNA Interference and Gene DeliveryDNA and Nucleic Acid Chemistry

Aptamers Against Cell Surface Receptors: Selection, Modification and Application

Wang, J., Li, G.·2011·Current Medicinal Chemistry

Abstract

Aptamers are synthetic oligonucleotides selected from pools of random-sequence oligonucleotides which bind to a wide range of biomolecular targets with high affinity and specificity. Compared with antibodies, aptamers exhibit significant advantages including small size, easy synthesis and modification, as well as low immunogenicity. Many of the aptamers also show inhibition of their targets, making them potential therapeutic and targeting reagents in clinical applications. Compared with aptamers against intracellular proteins and molecules, however, the identification of aptamers against cell-surface receptors and receptor-related antigens is more difficult, due to the complex cellular environment in which receptors are located, and also the unique conformations and compositions of receptors to keep their activity. In this review, we will introduce the identification, modification and working mechanism of aptamers against cell-surface receptors. Based on the different characteristics of target receptors and selection strategies used, the identified aptamers show distinct binding affinity with recombinant targets or specific cell lines which express receptors on the surface in vitro. Some of the in vivo experiments also indicate that aptamers have the capability of inhibiting the overexpressing receptor-related tumor growth, working as potential anti-tumor therapeutic drugs. Despite of the difficulties during the selection of receptor aptamers and the study of their working mechanism during the present time, it is possible that in the future aptamers will increasingly exhibit therapeutic and diagnostic utility.

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Crossref · 10.2174/092986711797189628

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  • High-affinity aptamers recognize more than 900 different targets.

    “At present, high-affinity aptamers recognize more than 900 different targets, including cytokines, growth factors, proteases, immunoglobulins, cell surface receptors, and cell adhesion molecules.240,241”

    From Smart nanoparticles for cancer therapy (2023) · cites this paper as [241]

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Authors
Wang, J., & Li, G.
Affiliations
Nanjing University (CN)
Corresponding author
Li, G.
Venue
Current Medicinal Chemistry
Published
2011-09-01
Volume
18
Issue
27
Pages
4107-4116
ISSN
0929-8673 (ISSN-L)
OpenAlex
W1975749126
Cited by
37
References
0
Citations by year
2025: 3 · 2024: 1 · 2023: 1 · 2022: 3 · 2021: 2 · 2020: 2 · 2019: 1 · 2018: 3 · 2017: 2 · 2016: 3 · 2015: 2 · 2014: 4 · 2013: 8 · 2012: 2
FWCI
1.82
Type
journal article
Language
en
Open access
closed
Locations
  • Current Medicinal Chemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Science Fund for Distinguished Young Scholars
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Advanced biosensing and bioanalysis techniques
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA and Nucleic Acid Chemistry
Keywords
aptamers, cell surface receptors, SELEX, aptamer modification, receptor-targeted therapy, anticancer agents, receptor overexpression, tumor growth inhibition, diagnostic applications
MeSH terms
Animals, Humans, Receptors, Cell Surface, SELEX Aptamer Technique, Aptamers, Nucleotide

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