Designing Artificial Cell-Penetrating Foldamers That Can Carry Drugs Into Cells
Cell-penetrating foldamers — synthetic oligomers with organized secondary structures — are being developed as drug delivery carriers with enhanced cell membrane permeability.
Quick Facts
What This Study Found
Cell-penetrating foldamers containing various non-natural building blocks can achieve organized secondary structures that enhance cell membrane permeability, functioning as potential drug delivery system (DDS) carriers.
Key Numbers
Multiple foldamer designs; optimal secondary structure and cationic content achieved efficient cell penetration.
How They Did This
Account/mini-review describing recent advances in designing cell-penetrating foldamers with various building blocks and their applications as drug delivery carriers.
Why This Research Matters
Natural cell-penetrating peptides face stability and specificity challenges. Foldamers — being synthetic and designable — could overcome these limitations while maintaining or exceeding the cell-penetrating ability of natural CPPs.
The Bigger Picture
Drug delivery is a major bottleneck in medicine — many effective drugs can't reach their intracellular targets. Foldamers represent a designable, tunable platform for overcoming this barrier, bridging the gap between small molecule drugs and biological therapeutics.
What This Study Doesn't Tell Us
Account/overview format with limited original data. Many foldamers discussed are at early proof-of-concept stage. In vivo performance, toxicity, and pharmacokinetics of most foldamers remain to be established.
Questions This Raises
- ?Which foldamer building blocks provide the best balance of cell penetration and biocompatibility?
- ?Can foldamers achieve tissue-specific delivery in vivo?
- ?How do foldamers compare to natural CPPs in terms of cargo delivery efficiency and safety?
Trust & Context
- Key Stat:
- Foldamers synthetic oligomers with organized secondary structures designed for enhanced cell penetration
- Evidence Grade:
- Account summarizing design principles and early results. Conceptual framework is well-established but clinical applications remain distant.
- Study Age:
- Published in 2020. Foldamer design for drug delivery continues as an active area of peptidomimetic research.
- Original Title:
- De Novo Design of Cell-Penetrating Foldamers.
- Published In:
- Chemical record (New York, N.Y.), 20(9), 912-921 (2020)
- Authors:
- Yokoo, Hidetomo(4), Misawa, Takashi(3), Demizu, Yosuke(3)
- Database ID:
- RPEP-05222
Evidence Hierarchy
Frequently Asked Questions
What is a foldamer?
A foldamer is a synthetic chain of chemical building blocks that folds into a defined 3D shape, similar to how natural proteins fold. Unlike natural peptides, foldamers can be made from non-natural components for enhanced stability and function.
Why not just use natural cell-penetrating peptides?
Natural CPPs break down quickly in the body, can trigger immune responses, and are hard to optimize. Synthetic foldamers can be designed to resist degradation and be customized for specific delivery tasks.
Read More on RethinkPeptides
Cite This Study
https://rethinkpeptides.com/research/RPEP-05222APA
Yokoo, Hidetomo; Misawa, Takashi; Demizu, Yosuke. (2020). De Novo Design of Cell-Penetrating Foldamers.. Chemical record (New York, N.Y.), 20(9), 912-921. https://doi.org/10.1002/tcr.202000047
MLA
Yokoo, Hidetomo, et al. "De Novo Design of Cell-Penetrating Foldamers.." Chemical record (New York, 2020. https://doi.org/10.1002/tcr.202000047
RethinkPeptides
RethinkPeptides Research Database. "De Novo Design of Cell-Penetrating Foldamers." RPEP-05222. Retrieved from https://rethinkpeptides.com/research/yokoo-2020-de-novo-design-of
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkPeptides research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.