Efficient tailoring of platinum nanoparticles supported on multiwalled carbon nanotubes for cancer therapy

Author:

Berber Mohamed R123,Elkhenany Hoda45ORCID,Hafez Inas H16,El-Badawy Ahmed4,Essawy Mohamed4,El-Badri Nagwa4

Affiliation:

1. Center for Nanotechnology (CNT), Zewail City of Science & Technology, 6th October City, Giza, 12578, Egypt

2. Department of Chemistry, Faculty of Science, Tanta University, Tanta, 31527, Egypt

3. Department of Chemistry, College of Science, Jouf University, Sakaka, 2014, Saudi Arabia

4. Center of Excellence for Stem Cells & Regenerative Medicine (CESC), Zewail City of Science & Technology, 6th October City, Giza, 12578, Egypt

5. Department of Surgery, Faculty of Veterinary Medicine, Alexandria University, Alexandria, 21944, Egypt

6. Department of Natural Resources & Agricultural Engineering, Faculty of Agriculture, Damanhour University, Damanhour, 22516, Egypt

Abstract

Aim: Therapeutically targeting cancer stem cells (CSCs), which play a role in tumor initiation and relapse, remains challenging. Materials & methods: Novel-formulated platinum nanoparticles (Pt-NPs) supported on polybenzimidazole (PBI)-functionalized polymers and multiwalled carbon nanotubes (MWCNT) were prepared and their effect on CSCs was evaluated. Results: Pt-NPs showed homogenous distribution on the surface of MWCNT/PBI composites, with very narrow particle size. MWCNT/PBI/Pt-NPs resulted in a dramatic decrease in the proliferation rate of CSCs but not bone marrow mesenchymal stem cells (BM-MSCs). Quantitative gene expression analysis revealed that MWCNT/PBI/Pt had a significant inhibitory effect on the epithelial-mesenchymal transition and cell cycle markers of CSCs. Conclusion: MWCNT/PBI/Pt exhibited a specific cytotoxic effect on breast CSCs but not on adult stem cells.

Publisher

Future Medicine Ltd

Subject

Development,General Materials Science,Biomedical Engineering,Medicine (miscellaneous),Bioengineering

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