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      1. Author :
        N/A
      2. Title :
        Optical Image-guided Surgery – Where Do We Stand?
      3. Type :
        Journal Article
      4. Year :
        2010
      5. Publication :
        Molecular Imaging and Biology
      6. Products :

        IntegriSenseMMPSense

      7. Volume :
        N/A
      8. Issue :
        N/A
      9. Page Numbers :
        N/A
      10. Research Area :
        Cancer
      11. Keywords :
        Optical imaging, Image-guided surgery, Molecular imaging, Near-infrared fluorescence
      12. Abstract :
        In cancer surgery, intra-operative assessment of the tumor-free margin, which is critical for the prognosis of the patient, relies on the visual appearance and palpation of the tumor. Optical imaging techniques provide real-time visualization of the tumor, warranting intra-operative image-guided surgery. Within this field, imaging in the near-infrared light spectrum offers two essential advantages: increased tissue penetration of light and an increased signal-tobackground-ratio of contrast agents. In this article, we review the various techniques, contrast agents, and camera systems that are currently used for image-guided surgery. Furthermore, we provide an overview of the wide range of molecular contrast agents targeting specific hallmarks of cancer and we describe perspectives on its future use in cancer surgery.
      13. URL :
        http://www.springerlink.com/content/78233815221t6563/
      14. Call Number :
        PKI @ sarah.piper @
      15. Serial :
        4486
      1. Author :
        Christoph Bremer; Ching-Hsuan Tung; Ralph Weissleder
      2. Title :
        In vivo molecular target assessment of matrix metalloproteinase inhibition
      3. Type :
        Journal Article
      4. Year :
        2001
      5. Publication :
        Nature Medicine
      6. Products :

        MMPSenseFMT Imaging Systems

      7. Volume :
        7
      8. Issue :
        6
      9. Page Numbers :
        N/A
      10. Research Area :
        Cancer
      11. Keywords :
        near-infrared; near infrared; matrix metalloproteinase; MMP; in vivo imaging; near-infrared fluorescence imaging
      12. Abstract :
        A number of different matrix metalloproteinase (MMP) inhibitors have been developed as cytostatic and anti-angiogenic agents and are currently in clinical testing. One major hurdle in assessing the efficacy of such drugs has been the inability to sense or image anti-proteinase activity directly and non-invasively in vivo. We show here that novel, biocompatible near-infrared fluorogenic MMP substrates can be used as activatable reporter probes to sense MMP activity in intact tumors in nude mice. Moreover, we show for the first time that the effect of MMP inhibition can be directly imaged using this approach within hours after initiation of treatment using the potent MMP inhibitor, prinomastat (AG3340). The developed probes, together with novel near-infrared fluorescence imaging technology will enable the detailed analysis of a number of proteinases critical for advancing the therapeutic use of clinical proteinase inhibitors.
      13. URL :
        http://www.nature.com/nm/journal/v7/n6/abs/nm0601_743.html
      14. Call Number :
        PKI @ sarah.piper @
      15. Serial :
        4509