Emerging role of iron oxide nanoparticles in the diagnostic imaging of pancreatic cancer: a systematic review

Au, Minnie, Ly, Sophia, Vangaveti, Venkat N., and Emeto, Theophilus Ikenna (2015) Emerging role of iron oxide nanoparticles in the diagnostic imaging of pancreatic cancer: a systematic review. Annals of the Australasian College of Tropical Medicine, 17 (1). p. 19.

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Abstract

Background/Aims: Pancreatic cancer is the fourth most common cause of cancer associated death worldwide with a five year survival rate less than 5%. The poor prognosis is mainly due to late presentation in 80% of patients and its drug resistant nature. Most diagnoses are made using contrast-enhanced computed-tomography (CT) or magnetic-resonance-imaging (MRI) which have a limited sensitivity between 76-86%. Iron oxide nanoparticles are increasingly used in the diagnostic imaging of pancreatic cancer, due their ability to selectively target tumour cells thereby increasing image resolution. The aim of this study is to identify studies investigating the use of iron oxide nanoparticles in the diagnostic imaging of pancreatic cancer.

Methods: A systematic review was performed using PubMed for records up to 2015. Search terms used included "iron oxide nanoparticles", "pancreatic cancer" and "imaging".

Results: A total of 16 studies were identified evaluating the use of iron oxide nanoparticles in the imaging of pancreatic cancer in-vitro and in in-vivo animal models. Eight of the studies evaluated the use of superparamagnetic-iron-oxide-nanoparticles (SPION), they showed SPION significantly decrease the T2 and T2* relaxation times of tumour tissue, providing a high sensitivity for MRI. Similar results were seen in eight studies that investigated the use of iron oxide nanoparticles conjugated to other molecules including gelatin, survivin, chemokine-receptor-4, silica-gold, endothelial-growth-factor-receptor, urokinase-receptor activator, Clostridium and a sonic-hedgehog target.

Conclusion: Iron oxide nanoparticles in the form of SPION or conjugates are biocompatible and effective at targeting tumour cells and significantly attenuate MRI signals in T2-weighted images of pancreatic cancers from a range of cell lines.

Item ID: 40571
Item Type: Article (Abstract)
ISSN: 1448-4706
Keywords: iron oxide nanoparticles; pancreatic cancer; pancreatic carcinoma; imaging; diagnosis
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Date Deposited: 17 Nov 2015 02:28
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1112 Oncology and Carcinogenesis > 111202 Cancer Diagnosis @ 30%
11 MEDICAL AND HEALTH SCIENCES > 1112 Oncology and Carcinogenesis > 111207 Molecular Targets @ 40%
11 MEDICAL AND HEALTH SCIENCES > 1112 Oncology and Carcinogenesis > 111209 Solid Tumours @ 30%
SEO Codes: 92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920102 Cancer and Related Disorders @ 100%
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