Cisplatin release from dual-responsive magnetic nanocomposites.
Kaveh Kurd1,2, Amir Ahmad Khandagi3, Soodabeh Davaran1,2
1a Drug Applied Research Center, Tabriz University of Medical Sciences , Tabriz , Iran.
Artificial Cells, Nanomedicine, and Biotechnology
|March 31, 2015
Summary
This study developed a novel dual pH/temperature-responsive magnetic nanocomposite for controlled cisplatin delivery during hyperthermia cancer therapy. The material demonstrated effective drug release under simulated tumor conditions, showing promise for enhanced treatment efficacy.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Cancer Therapy
Background:
- Hyperthermia combined with controlled drug delivery presents a promising approach in cancer treatment.
- Developing responsive nanocarriers is key for targeted and effective therapeutic strategies.
Purpose of the Study:
- To synthesize and characterize a dual pH/thermal-responsive composite nanoparticle for cisplatin delivery.
- To evaluate the drug release profile under various physiological and hyperthermic conditions.
Main Methods:
- Emulsion polymerization synthesized Poly (n-isopropyl acrylamide-methacrylic acid-hydroxy ethyl methacrylate) (P(NIPAAM-MAA-HEM)).
- Fe3O4 magnetic nanoparticles (MNPs) and cisplatin were loaded onto the nanogel.
- Drug release was studied at different pH (7.4, 6.8, 5.3) and temperatures (37°C, 43°C).
Main Results:
- The synthesized nanogel and nanocomposite exhibited appropriate purity, size, and stability.
- Magnetic properties were suitable for hyperthermia-induced heating.
- A significant increase in cisplatin release was observed at low pH and high temperature.
Conclusions:
- The dual pH/temperature-responsive P(NIPAAM-MAA-HEM) magnetic nanocomposite shows potential for effective hyperthermia and controlled cisplatin delivery.
- This nanocarrier system could enhance cancer therapy outcomes.
