Multimodal imaging nanoparticles derived from hyaluronic acid for integrated preoperative and intraoperative cancer imaging

William M. Payne, Tanner K. Hill, Denis Svechkarev, Megan B. Holmes, Balasrinivasa R Sajja, Aaron M Mohs

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Surgical resection remains themost promising treatment strategy for many types of cancer. Residualmalignant tissue after surgery, a consequence in part due to positivemargins, contributes to highmortality and disease recurrence. In this study,multimodal contrast agents for integrated preoperativemagnetic resonance imaging (MRI) and intraoperative fluorescence image-guided surgery (FIGS) are developed. Self-assembled multimodal imaging nanoparticles (SAMINs) were developed as a mixed micelle formulation using amphiphilicHA polymers functionalized with either GdDTPA for T1 contrast-enhanced MRI or Cy7.5, a near infrared fluorophore. To evaluate the relationship betweenMRand fluorescence signal fromSAMINs, we employed simulated surgical phantoms that are routinely used to evaluate the depth at which near infrared (NIR) imaging agents can be detected by FIGS. Finally, imaging agent efficacy was evaluated in a human breast tumor xenograft model in nude mice, which demonstrated contrast in both fluorescence and magnetic resonance imaging.

Original languageEnglish (US)
Article number9616791
JournalContrast Media and Molecular Imaging
Volume2017
DOIs
StatePublished - Sep 11 2017

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Multimodal Imaging
Hyaluronic Acid
Nanoparticles
Fluorescence
Computer-Assisted Surgery
Neoplasms
Micelles
Heterografts
Nude Mice
Contrast Media
Polymers
Magnetic Resonance Imaging
Breast Neoplasms
Recurrence

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Multimodal imaging nanoparticles derived from hyaluronic acid for integrated preoperative and intraoperative cancer imaging. / Payne, William M.; Hill, Tanner K.; Svechkarev, Denis; Holmes, Megan B.; Sajja, Balasrinivasa R; Mohs, Aaron M.

In: Contrast Media and Molecular Imaging, Vol. 2017, 9616791, 11.09.2017.

Research output: Contribution to journalArticle

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abstract = "Surgical resection remains themost promising treatment strategy for many types of cancer. Residualmalignant tissue after surgery, a consequence in part due to positivemargins, contributes to highmortality and disease recurrence. In this study,multimodal contrast agents for integrated preoperativemagnetic resonance imaging (MRI) and intraoperative fluorescence image-guided surgery (FIGS) are developed. Self-assembled multimodal imaging nanoparticles (SAMINs) were developed as a mixed micelle formulation using amphiphilicHA polymers functionalized with either GdDTPA for T1 contrast-enhanced MRI or Cy7.5, a near infrared fluorophore. To evaluate the relationship betweenMRand fluorescence signal fromSAMINs, we employed simulated surgical phantoms that are routinely used to evaluate the depth at which near infrared (NIR) imaging agents can be detected by FIGS. Finally, imaging agent efficacy was evaluated in a human breast tumor xenograft model in nude mice, which demonstrated contrast in both fluorescence and magnetic resonance imaging.",
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