Development of surfactin-based nanocarrier for targeted doxorubicin delivery

Theodor Bilharz Research Institute

Bibliographic Information

Authors: Mahareek O.; Mousa N.O.; Mamdouh S.; El-Zayat E.M.; Okasha H.

Journal: Scientific Reports

Publisher: Nature Research

Publication Date: 13 June 2026

Volume / Issue: Volume 16 / Issue 1

Article No.: 18364

ISSN: 20452322

DOI: 10.1038/s41598-026-54757-w

Scopus: View on Scopus

PubMed: 42288537

Document Type: Article

Access: All Open Access; Gold Open Access; Green Open Access


Authors and Affiliations

Mahareek O., Department of Biochemistry and Molecular Biology, Theodor Bilharz Research Institute, Giza, Egypt; Mousa N.O., Department of Biotechnology, Faculty of Science, Cairo University, Giza, Egypt; Mamdouh S., Department of Biochemistry and Molecular Biology, Theodor Bilharz Research Institute, Giza, Egypt; El-Zayat E.M., Department of Biotechnology, Faculty of Science, Cairo University, Giza, Egypt; Okasha H., Department of Biochemistry and Molecular Biology, Theodor Bilharz Research Institute, Giza, Egypt


Abstract

Surfactin, one of the most powerful lipopeptide biosurfactants produced by Bacillus subtilis, has great potential for biomedical applications. Isolation, purification, and characterization of surfactin from Bacillus subtilis 6633 to be used as a doxorubicin (Dox) nanocarrier. Purified surfactin using different chromatographic columns was used to prepare a self-assembled nanocarrier for Dox, which was characterized for size, charge, and drug-loading efficiency. Biological activity against normal fibroblast (FB) and liver cancer (HepG2) cells was assessed. The hybrid nanoparticles showed a remarkable drug loading; 36%, a pH-responsive release profile with enhanced cytotoxicity toward HepG2 cells (IC₅₀ = 5.40 µg/mL), and a reduced toxicity to FB cells (IC₅₀ = 12.78 µg/mL). The nanoparticles were spherical in shape (100 ± 2 nm) with a polydisperse index of (0.019 ± 0.01) and a narrow size distribution pattern. The results support the potential of surfactin-based nanoparticles to act as a selective platform for anticancer drug delivery and underscore their relevance towards the Sustainable Development Goal 3 (Good Health and Well-being) through the development of safer and effective therapeutic strategies. © The Author(s) 2026.


Keywords

Antibacterial; Anticancer; Bacillus subtilis; Lipopeptide; Surfactin; Antineoplastic Agents; Biosurfactants; Cell Survival; Doxorubicin; Drug Carriers; Drug Delivery Systems; Hep G2 Cells; Humans; Lipopeptides; Nanoparticles; Particle Size; Peptides, Cyclic; antineoplastic agent; biosurfactant; cyclopeptide; drug carrier; nanoparticle; surfactin peptide; chemistry; drug delivery system; drug effect; Hep-G2 cell line; human; isolation and purification; metabolism


Citation Information

Scopus Citations: 0


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