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Chemical Antibody Mimics Inhibit Cadherin-Mediated Cell-Cell Adhesion: A Promising Strategy for Cancer Therapy
Paulina X Medina Rangel1, Elena Moroni1, Franck Merlier1
1Sorbonne Universités, Université de Technologie de Compiègne, UMR CNRS 7025, Enzyme and Cell Engineering Laboratory, Rue Roger Couttolenc, CS 60319, 60203, Compiègne, France.
Molecularly imprinted polymer nanoparticles (MIP-NPs) targeting cadherin adhesion sites show superior efficacy over therapeutic antibodies in disrupting cancer cell aggregation and tumor growth. These novel anti-adhesives offer potential for cancer immunotherapy.
Area of Science:
- Biotechnology
- Nanomedicine
- Cancer Research
Background:
- Therapeutic antibodies targeting cadherins are promising for cancer treatment by disrupting cell-cell adhesion.
- Cadherin-mediated adhesion, crucial in cancer progression, involves the N-terminal Trp2 region.
Purpose of the Study:
- To develop novel molecularly imprinted polymer nanoparticles (MIP-NPs) as anti-adhesion agents targeting the cadherin N-terminal epitope.
- To evaluate the efficacy of MIP-NPs in inhibiting cancer cell adhesion, spheroid formation, and invasion compared to existing therapies.
Main Methods:
- Utilized a conserved peptide epitope (Asp1-Trp2-Val3-Ile4-Pro5-Pro6-Ile7) from the cadherin N-terminus to create MIP-NPs.
- Assessed MIP-NP potency in cell aggregation assays, disruption of 3D tumor spheroids, and inhibition of HeLa cell invasion.
Main Results:
- MIP-NPs demonstrated higher potency than commercial therapeutic antibodies in inhibiting cell-cell adhesion.
- MIP-NPs effectively disrupted three-dimensional tumor spheroids and inhibited cancer cell invasion.
Conclusions:
- Biocompatible supramolecular anti-adhesives (MIP-NPs) show significant potential for cancer therapy.
- MIP-NPs may serve as immunotherapeutic or sensitizing agents to enhance chemotherapy efficacy.
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