Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7576
Title: Disease-specific target gene expression profiling of molecular imaging probes : database development and clinical validation
Authors: Chan, LWC
Ngo, CHC
Wang, F
Zhao, MY
Zhao, M
Law, HKW 
Wong, SCC 
Yung, BYM 
Issue Date: 2014
Publisher: SAGE Publications
Source: Molecular imaging, 2014, v. 13, no. 6 How to cite?
Journal: Molecular imaging 
Abstract: Molecular imaging probes can target abnormal gene expression patterns in patients and allow early diagnosis of disease. For selecting a suitable imaging probe, the current Molecular Imaging and Contrast Agent Database (MICAD) provides descriptive and qualitative information on imaging probe characteristics and properties. However, MICAD does not support linkage with the expression profiles of target genes. The proposed Disease-specific Imaging Probe Profiling (DIPP) database quantitatively archives and presents the gene expression profiles of targets across different diseases, anatomic regions, and subcellular locations, providing an objective reference for selecting imaging probes. The DIPP database was validated with a clinical positron emission tomography (PET) study on lung cancer and an in vitro study on neuroendocrine cancer. The retrieved records show that choline kinase beta and glucose transporters were positively and significantly associated with lung cancer among the targets of 11C-choline and [18F]fluoro-2-deoxy-2-D-glucose (FDG), respectively. Their significant overexpressions corresponded to the findings that the uptake rate of FDG increased with tumor size but that of 11C-choline remained constant. Validated with the in vitro study, the expression profiles of disease-associated targets can indicate the eligibility of patients for clinical trials of the treatment probe. A Web search tool of the DIPP database is available at http://www.polyu.edu.hk/bmi/dipp/.
URI: http://hdl.handle.net/10397/7576
ISSN: 1535-3508
EISSN: 1536-0121
DOI: 10.2310/7290.2014.00017
Appears in Collections:Journal/Magazine Article

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