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Trajkovic-Arsic, M.* ; Mohajerani, P. ; Sarantopoulos, A. ; Kalideris, E.* ; Steiger, K.* ; Esposito, I.* ; Ma, X. ; Themelis, G. ; Burton, N.C. ; Michalski, C.W.* ; Kleeff, J.* ; Stangl, S.* ; Beer, A.J.* ; Pohle, K.* ; Wester, H.J.* ; Schmid, R.M.* ; Braren, R.* ; Ntziachristos, V. ; Siveke, J.T.*

Multimodal molecular imaging of integrin αvβ3 for in vivo detection of pancreatic cancer.

J. Nucl. Med. 55, 446-451 (2014)
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UNLABELLED: Pancreatic ductal adenocarcinoma (PDAC) is a lethal disease. Late detection of then nonresectable or metastasized tumors emphasizes the need for novel imaging approaches. Here, we report on so far nonexploited potentials of αvβ3 integrin-targeted molecular imaging technologies for detection of PDAC using genetically engineered mouse models. METHODS: Immunohistochemistry and Western blot were used for characterization of αvβ3 expression in murine and human PDAC. We applied IntegriSense 680 fluorescence molecular tomography, intraoperative fluorescence imaging, and (68)Ga-NODAGA-RGD PET for αvβ3 integrin molecular in vivo imaging of spontaneous PDAC occurring in Ptf1a(+/Cre);Kras(+/LSL-G12D);p53(LoxP/LoxP) mice. (NODAGA is 1,4,7-triazacyclononane-1,4-bis[acetic acid]-7-[2-glutaric acid] and RGD is arginine-glycine-aspartic acid.) RESULTS: αvβ3 integrin is expressed in tumor cells of human and murine PDAC. IntegriSense fluorescence molecular tomography and (68)Ga-NODAGA-RGD PET enabled faithful visualization of PDAC. Furthermore, intraoperative optical imaging with IntegriSense 680 allowed good delineation of tumor borders. CONCLUSION: Imaging approaches targeting αvβ3 integrin expand the potential of molecular imaging for identification of αvβ3-positive PDAC with potential implications in early detection, fluorescence-guided surgery, and therapy monitoring.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Fluorescence Molecular Tomography ; Genetically Engineered Mice ; Integrin αvβ3 ; Pancreatic Cancer ; Positron Emission Tomography; Ray Computed-tomography; Precursor Lesions; Tumor Xenografts; Ovarian-cancer; Cathepsin-e; Fluorescence; Expression; Mouse; Alpha-v-beta-3; Progression
Sprache englisch
Veröffentlichungsjahr 2014
HGF-Berichtsjahr 2014
ISSN (print) / ISBN 0161-5505
e-ISSN 1535-5667
Zeitschrift Journal of Nuclear Medicine
Quellenangaben Band: 55, Heft: 3, Seiten: 446-451 Artikelnummer: , Supplement: ,
Verlag Society of Nuclear Medicine and Molecular Imaging
Verlagsort Reston
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Biological and Medical Imaging (IBMI)
POF Topic(s) 30205 - Bioengineering and Digital Health
Forschungsfeld(er) Enabling and Novel Technologies
PSP-Element(e) G-505500-001
PubMed ID 24549287
DOI 10.2967/jnumed.113.129619
WOS ID WOS:000332352100026
Scopus ID 84899486268
Erfassungsdatum 2014-03-12
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