Acute Vasculature Disruption in Orthotopic Kidney Tumors Based on Vascular Disrupting Agent (OXi8007) Examined by Multispectral Optoacoustic Tomography (MSOT)

Hashini I. Wanniarachchi, Lorena M.A. Bueno, Ricardo Rayas, Khagendra B. Hamal, Cyprian I. Pavlich, Mary Lynn Trawick, Kevin G. Pinney, Li Liu, Ralph P. Mason

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Multispectral optoacoustic tomography (MSOT) provides anatomical and functional imaging of tissues without the need for reporter molecules or cell transfection. We examined the acute vascular disrupting activity of a new vascular disrupting agent (OXi8007) using MSOT on syngeneic mouse RENCA-luc, human 786-O-luc, and XP258 orthotopic kidney tumors. In all tumor types, an oxygen gas breathing challenge showed much-reduced tumor oxygenation and response within 4 h of treatment. In RENCA-luc and 786-O-luc tumors, this matched vascular shutdown assessed by dynamic Bioluminescence Imaging (BLI). MSOT additionally confirmed that VDA treatment did not affect the contralateral normal kidney or spine significantly.

Original languageEnglish (US)
Title of host publicationPhotons Plus Ultrasound
Subtitle of host publicationImaging and Sensing 2024
EditorsAlexander A. Oraevsky, Lihong V. Wang
PublisherSPIE
ISBN (Electronic)9781510669437
DOIs
StatePublished - 2024
EventPhotons Plus Ultrasound: Imaging and Sensing 2024 - San Francisco, United States
Duration: Jan 28 2024Jan 31 2024

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume12842
ISSN (Print)1605-7422

Conference

ConferencePhotons Plus Ultrasound: Imaging and Sensing 2024
Country/TerritoryUnited States
CitySan Francisco
Period1/28/241/31/24

Keywords

  • Multispectral optoacoustic tomography (MSOT)
  • photoacoustic imaging
  • preclinical molecular imaging
  • tumor oxygenation
  • vascular disrupting agents

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Biomaterials
  • Radiology Nuclear Medicine and imaging

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