Stimuli-responsive magnetic nanoparticles for tumor-targeted bimodal imaging and photodynamic/hyperthermia combination therapy

Kyoung Sub Kim, Jiyoung Kim, Joo Young Lee, Shofu Matsuda, Sho Hideshima, Yasurou Mori, Tetsuya Osaka, Kun Na

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Despite magnetic nanoparticles having shown great potential in cancer treatment, tremendous challenges related to diagnostic sensitivity and treatment efficacy for clinical application remain. Herein, we designed optimized multifunctional magnetite nanoparticles (AHP@MNPs), composed of Fe3O4 nanoparticles and photosensitizer conjugated hyaluronic acid (AHP), to achieve enhanced tumor diagnosis and therapy. Fe3O4 nanoparticles (MNPs) were synthesized by a facile hydrolysis method. MNPs have higher biocompatibility, controllable particle sizes, and desirable magnetic properties. The fabricated AHP@MNPs have enhanced water solubility (average size: 108.13 ± 1.08 nm), heat generation properties, and singlet oxygen generation properties upon magnetic and laser irradiation. The AHP@MNPs can target tumors via CD44 receptor-mediated endocytosis, which have enhanced tumor therapeutic effects through photodynamic/hyperthermia-combined treatment without any drugs. We successfully detected tumors implanted in mice via magnetic resonance imaging and optical imaging. Furthermore, we demonstrated the photodynamic/hyperthermia-combined therapeutic efficacy of AHP@MNPs with synergistically enhanced efficacy against cancer.

Original languageEnglish
Pages (from-to)11625-11634
Number of pages10
JournalNanoscale
Volume8
Issue number22
DOIs
Publication statusPublished - 2016 Jun 14

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Hyperthermia therapy
Tumors
Nanoparticles
Imaging techniques
Magnetic properties
Magnetite Nanoparticles
Magnetite nanoparticles
Hyaluronic acid
Singlet Oxygen
Photosensitizing Agents
Photosensitizers
Oncology
Heat generation
Laser beam effects
Hyaluronic Acid
Magnetic resonance
Biocompatibility
Hydrolysis
Solubility
Particle size

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Kim, K. S., Kim, J., Lee, J. Y., Matsuda, S., Hideshima, S., Mori, Y., ... Na, K. (2016). Stimuli-responsive magnetic nanoparticles for tumor-targeted bimodal imaging and photodynamic/hyperthermia combination therapy. Nanoscale, 8(22), 11625-11634. https://doi.org/10.1039/c6nr02273a

Stimuli-responsive magnetic nanoparticles for tumor-targeted bimodal imaging and photodynamic/hyperthermia combination therapy. / Kim, Kyoung Sub; Kim, Jiyoung; Lee, Joo Young; Matsuda, Shofu; Hideshima, Sho; Mori, Yasurou; Osaka, Tetsuya; Na, Kun.

In: Nanoscale, Vol. 8, No. 22, 14.06.2016, p. 11625-11634.

Research output: Contribution to journalArticle

Kim, Kyoung Sub ; Kim, Jiyoung ; Lee, Joo Young ; Matsuda, Shofu ; Hideshima, Sho ; Mori, Yasurou ; Osaka, Tetsuya ; Na, Kun. / Stimuli-responsive magnetic nanoparticles for tumor-targeted bimodal imaging and photodynamic/hyperthermia combination therapy. In: Nanoscale. 2016 ; Vol. 8, No. 22. pp. 11625-11634.
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