ArticleInternational journal of nanomedicine2025
Targeted Delivery of BMS-1166 for Enhanced Breast Cancer Immunotherapy.
Article in International journal of nanomedicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Development and Validation of an HPLC-MS/MS Method for Determining BMS-1166, GB-1107, and Enzalutamide in Rat Plasma and Its Application to Pharmacokinetic Studies.Drug design, development and therapy · 2026Article
- Bibliometric analysis of global research trends in delivery systems for breast cancer immunotherapy.Discover oncology · 2025Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Cancer immunotherapy has achieved great success in breast cancer treatment in recent years. The Programmed Death-1 (PD-1) /Programmed Death-Ligand 1 (PD-L1) immune checkpoint pathway is among the most studied. BMS-1166, a PD-L1 inhibitor, can interfere with PD-1 and PD-L1 interaction. Transferrin Receptor 1 is a transmembrane glycoprotein overexpressed in various cancer cells, including breast cancer, and can specifically interact with the T7 (HAIYPRH) peptide. Purpose: This study hypothesized that BMS-1166-loaded T7-modified poly(ethylene glycol)-poly(ε-caprolactone) (PEG-PCL) polymeric micelles (BMS-T7) could block PD-L1 interaction with PD-1, serving as a targeted immunotherapy for TfR1-positive breast cancer. Methods: BMS-1166 was encapsulated in T7-PEG-PCL micelle. Particle size and zeta potential were determined by dynamic light scattering. Particle morphology was studied by transmission electron microscopy. The particles were characterized by Fourier transform infrared, thermogravimetric analysis, and differential scanning calorimetry. Drug encapsulation efficiency, loading degree, and release profile were examined by high-performance liquid chromatography. Human breast cancer MDA-MB-231 was used to test the cytotoxicity. Flow cytometry and immunofluorescence imaging were used to study the PD-L1 inhibition in cell surface and exosomes. MDA-MB-231 and Jurkat co-culture studied T-cell activation and apoptosis. Results: The particle size of the empty and drug-loaded micelles showed a size distribution with an average diameter of 54.62 ± 2.28 nm and 60.22 ± 2.56 nm, respectively. The encapsulation efficiency of BMS-T7 was 83.89 ± 5.59%. The release half-life of drug-loaded micelles was 48h. The IC Conclusion: These results provide preliminary evidence indicating that BMS-T7 may have the potential to deliver drugs to breast cancer cells via active targeting and hold great promise in cancer immunotherapy drug delivery applications.
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