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Novel Target for Peptide-Based Imaging and Treatment of Brain Tumors
Vise andre og tillknytning
2014 (engelsk)Inngår i: Molecular Cancer Therapeutics, ISSN 1535-7163, E-ISSN 1538-8514, Vol. 13, nr 4, s. 996-1007Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Malignant gliomas are associated with high mortality due to infiltrative growth, recurrence, and malignant progression. Even with the most efficient therapy combinations, median survival of the glioblastoma multiforme (grade 4) patients is less than 15 months. Therefore, new treatment approaches are urgently needed. We describe here identification of a novel homing peptide that recognizes tumor vessels and invasive tumor satellites in glioblastomas. We demonstrate successful brain tumor imaging using radiolabeled peptide in whole-body SPECT/CT imaging. Peptide-targeted delivery of chemotherapeutics prolonged the lifespan of mice bearing invasive brain tumors and significantly reduced the number of tumor satellites compared with the free drug. Moreover, we identified mammary-derived growth inhibitor (MDGI/H-FABP/FABP3) as the interacting partner for our peptide on brain tumor tissue. MDGI was expressed in human brain tumor specimens in a grade-dependent manner and its expression positively correlated with the histologic grade of the tumor, suggesting MDGI as a novel marker for malignant gliomas. Mol Cancer Ther; 13(4); 996-1007. (C)2014 AACR.

sted, utgiver, år, opplag, sider
2014. Vol. 13, nr 4, s. 996-1007
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URN: urn:nbn:se:su:diva-103979DOI: 10.1158/1535-7163.MCT-13-0684ISI: 000334342300021OAI: oai:DiVA.org:su-103979DiVA, id: diva2:721795
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AuthorCount:13;

Tilgjengelig fra: 2014-06-05 Laget: 2014-05-27 Sist oppdatert: 2017-12-05bibliografisk kontrollert

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