Liver-specific and echogenic hyaluronic acid nanoparticles facilitating liver cancer discrimination

Hyun Su Min, Sejin Son, Tae Woong Lee, Heebeom Koo, Hong Yeol Yoon, Jin Hee Na, Yongseok Choi, Jae Hyung Park, Jaeyoung Lee, Moon Hee Han, Rang Woon Park, In-San Kim, Seo Young Jeong, Kyehan Rhee, Sun Hwa Kim, Ick Chan Kwon, Kwang Meyung Kim

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

With the increasing demand for instant real-time ultrasound (US) imaging of a specific organ, target-specific and long-circulating ultrasound contrast agents are of special interest. A new species of echogenic hyaluronic acid nanoparticles is presented as an ultralong-acting, liver-specific, US contrast agent that is distinct from conventional gas-filled microbubbles. Using an oil-in-water (O/W) emulsification method, bioinert and hydrophobic perfluoropentane (PFP) is encapsulated as an ultrasound gas precursor into hyaluronic acid nanoparticles (HANPs) using hydrophobic interactions. HANPs are formulated by self-assembly, with amphiphilic hyaluronic acid-5β-cholanic acid (HA-CA) conjugating in aqueous conditions. The resulting echogenic PFP-encapsulated HANPs (Echo-NPs) show solid nanostructures, differentiated from core-empty conventional microbubbles, and exhibiting outstanding physical properties as an ultrasound contrast agent. They are more stable and robust echogenic solid bodies with an in vivo favorable hydrodynamic size and because PFPs vaporize gradually, their expansion process is very slow in body conditions. After several systemic circulations, echo-NPs generated intense and ultralong echo signals for US imaging at the target site. The echogenic properties of Echo-NPs show a significantly increased half-life and echo persistence, compared with conventional microbubbles. The results clearly show that echo-NPs outperform conventional microbubbles in terms of both physical and echogenic in vitro and in vivo properties.

Original languageEnglish
Pages (from-to)5518-5529
Number of pages12
JournalAdvanced Functional Materials
Volume23
Issue number44
DOIs
Publication statusPublished - 2013 Nov 26

Fingerprint

Hyaluronic acid
Hyaluronic Acid
liver
Liver
discrimination
echoes
Ultrasonics
cancer
Nanoparticles
nanoparticles
acids
Contrast Media
Gases
Imaging techniques
Emulsification
gases
half life
organs
Self assembly
self assembly

Keywords

  • hyaluronic acid (HA)
  • liver-targeting treatments
  • perfluoropentane (PFP)
  • ultrasound contrast agents
  • ultrasound imaging

ASJC Scopus subject areas

  • Biomaterials
  • Electrochemistry
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Liver-specific and echogenic hyaluronic acid nanoparticles facilitating liver cancer discrimination. / Min, Hyun Su; Son, Sejin; Lee, Tae Woong; Koo, Heebeom; Yoon, Hong Yeol; Na, Jin Hee; Choi, Yongseok; Park, Jae Hyung; Lee, Jaeyoung; Han, Moon Hee; Park, Rang Woon; Kim, In-San; Jeong, Seo Young; Rhee, Kyehan; Kim, Sun Hwa; Kwon, Ick Chan; Kim, Kwang Meyung.

In: Advanced Functional Materials, Vol. 23, No. 44, 26.11.2013, p. 5518-5529.

Research output: Contribution to journalArticle

Min, HS, Son, S, Lee, TW, Koo, H, Yoon, HY, Na, JH, Choi, Y, Park, JH, Lee, J, Han, MH, Park, RW, Kim, I-S, Jeong, SY, Rhee, K, Kim, SH, Kwon, IC & Kim, KM 2013, 'Liver-specific and echogenic hyaluronic acid nanoparticles facilitating liver cancer discrimination', Advanced Functional Materials, vol. 23, no. 44, pp. 5518-5529. https://doi.org/10.1002/adfm.201301131
Min, Hyun Su ; Son, Sejin ; Lee, Tae Woong ; Koo, Heebeom ; Yoon, Hong Yeol ; Na, Jin Hee ; Choi, Yongseok ; Park, Jae Hyung ; Lee, Jaeyoung ; Han, Moon Hee ; Park, Rang Woon ; Kim, In-San ; Jeong, Seo Young ; Rhee, Kyehan ; Kim, Sun Hwa ; Kwon, Ick Chan ; Kim, Kwang Meyung. / Liver-specific and echogenic hyaluronic acid nanoparticles facilitating liver cancer discrimination. In: Advanced Functional Materials. 2013 ; Vol. 23, No. 44. pp. 5518-5529.
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AU - Jeong, Seo Young

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AU - Kim, Sun Hwa

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AU - Kim, Kwang Meyung

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