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Sökning: WFRF:(Sandström Lars) > (2010-2014) > Imaging of Insulinl...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004163naa a2200505 4500
001oai:DiVA.org:kth-75532
003SwePub
008120206s2012 | |||||||||||000 ||eng|
009oai:DiVA.org:uu-164418
024a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-755322 URI
024a https://doi.org/10.2967/jnumed.111.0908292 DOI
024a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-1644182 URI
040 a (SwePub)kthd (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Tolmachev, Vladimiru Uppsala universitet,Enheten för biomedicinsk strålningsvetenskap,Vladimir Tolmachev4 aut0 (Swepub:uu)vladtolm
2451 0a Imaging of Insulinlike Growth Factor Type 1 Receptor in Prostate Cancer Xenografts Using the Affibody Molecule (111)In-DOTA-Z(IGF1R:4551)
264 c 2011-12-15
264 1b Society of Nuclear Medicine,c 2012
338 a print2 rdacarrier
500 a QC 20120206
520 a One of the pathways leading to androgen independence in prostate cancer involves upregulation of insulinlike growth factor type 1 receptor (IGF-1R). Radionuclide imaging of IGF-1R in tumors might be used for selection of patients who would most likely benefit from IGF-1R-targeted therapy. The goal of this study was to evaluate the feasibility of in vivo radionuclide imaging of IGF-1R expression in prostate cancer xenografts using a small nonimmunoglobulin-derived binding protein called an Affibody molecule. Methods: The IGF-1R-binding Z(IGF1R:4551) Affibody molecule was site-specifically conjugated with a maleimido derivative of DOTA and labeled with (111)In. The binding of radiolabeled Z(IGF1R:4551) to IGF-1R-expressing cells was evaluated in vitro and in vivo. Results: DOTA-Z(IGF1R:4551) can be stably labeled with (111)In with preserved specific binding to IGF-1R-expressing cells in vitro. In mice, (111)In-DOTAZ(IGF1R):(4551) accumulated in IGF-1R-expressing organs (pancreas, stomach, lung, and salivary gland). Receptor saturation experiments demonstrated that targeting of DU-145 prostate cancer xenografts in NMRI nu/nu mice was IGF-1R-specific. The tumor uptake was 1.1 +/- 0.3 percentage injected dose per gram, and the tumor-to-blood ratio was 3.2 +/- 0.2 at 8 h after injection. Conclusion: This study demonstrates the feasibility of in vivo targeting of IGF-1R-expressing prostate cancer xenografts using an Affibody molecule. Further development of radiolabeled Affibody molecules might provide a useful clinical tool for stratification of patients with prostate cancer for IGF-1R-targeting therapy.
650 7a NATURVETENSKAPx Biologix Biokemi och molekylärbiologi0 (SwePub)106022 hsv//swe
650 7a NATURAL SCIENCESx Biological Sciencesx Biochemistry and Molecular Biology0 (SwePub)106022 hsv//eng
653 a Affibody molecule
653 a (111)In
653 a molecular imaging
653 a IGF-1R
653 a DU145 xenograft
700a Malmberg, Jennieu Uppsala universitet,Plattformen för preklinisk PET,Anna Orlova4 aut0 (Swepub:uu)jenma183
700a Hofström, Camillau KTH,Molekylär Bioteknologi4 aut0 (Swepub:kth)u12237py
700a Abrahmsén, Lars4 aut
700a Bergman, Thomas4 aut
700a Sjöberg, Anna4 aut
700a Sandström, Mattiasu Uppsala universitet,Enheten för onkologi,Enheten för radiologi4 aut0 (Swepub:uu)masan637
700a Gräslund, Torbjörnu KTH,Molekylär Bioteknologi4 aut0 (Swepub:kth)u1dl39rj
700a Orlova, Annau Uppsala universitet,Plattformen för preklinisk PET,Anna Orlova4 aut0 (Swepub:uu)annaorlo
710a Uppsala universitetb Enheten för biomedicinsk strålningsvetenskap4 org
773t Journal of Nuclear Medicined : Society of Nuclear Medicineg 53:1, s. 90-97q 53:1<90-97x 0161-5505x 1535-5667x 2159-662X
856u http://jnm.snmjournals.org/content/53/1/90.full.pdf
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-75532
8564 8u https://doi.org/10.2967/jnumed.111.090829
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-164418

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