Transferrin-conjugated pH-sensitive platform for effective delivery of porous palladium nanoparticles and paclitaxel in cancer treatment
- Authors
- Hanh Thuy Nguyen; Soe, Zar Chi; Yang, Kwan Yeol; Cao Dai Phung; Lan Thi-Trinh Nguyen; Jeong, Jee-Heon; Jin, Sung Giu; Choi, Han-Gon; Ku, Sae Kwang; Yong, Chul Soon; Kim, Jong Oh
- Issue Date
- Apr-2019
- Publisher
- ELSEVIER
- Keywords
- Palladium nanoparticles; Paclitaxel; Transferrin; pH sensitive; Phototherapy
- Citation
- COLLOIDS AND SURFACES B-BIOINTERFACES, v.176, pp.265 - 275
- Indexed
- SCIE
SCOPUS
- Journal Title
- COLLOIDS AND SURFACES B-BIOINTERFACES
- Volume
- 176
- Start Page
- 265
- End Page
- 275
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/3343
- DOI
- 10.1016/j.colsurfb.2019.01.010
- ISSN
- 0927-7765
- Abstract
- Porous palladium (Pd) nanoparticles have garnered great research attention due to their potential anticancer activity and photothermal effect. In this study, a transferrin-conjugated pH-sensitive platform (Tf-PPP), comprising porous Pd nanoparticles (PdNPs) and paclitaxel (PTX), was successfully developed for combined chemo-phototherapy. Tf-PPPs have a small size of 164.6 +/- 8.7 nm, PDI of 0.278 +/- 0.029, and negative charge (-13.2 +/- 1.8 mV). Poly(acrylic acid)-poly(ethylene oxide) (PAA-PEO), a pH sensitive polymer, was used to achieve pH-dependent drug release from nanoparticles. Transferrin (Tf) conjugated on the surface of nano platforms could enhance the cellular uptake and prolong nanoparticle accumulation in the tumor site. The combination of phototherapy induced by PdNPs and chemotherapeutic agent (PTX) could exhibit synergistic anticancer activities. Consistent findings were observed in both in vitro experiments including cytotoxicity, live/dead assay, and assessment of apoptotic protein levels, and in vivo antitumor study in MCF-7 tumor-bearing mice, with results decreasing in the following order: Tf-PPPs + MR > Tf-PPPs > PPPs + NIR > PPPs > PTX > PdNPs. These findings suggest that the administration of Tf-PPPs, followed by MR irradiation could be a promising strategy in the treatment of cancer.
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