Published in: First Personal Medical Congress
COI code: IPMCMED01_025
Paper Language: English
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Authors Cancer Detection as a First Step of Personalized Medicine Using Circulating microRNAs in Peripheral BloodHanieh Sadeghi - Department of Genetics, University of Science and Culture, ACECR, Tehran, Iran
Ali Sharifi Zarchi - Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
Aryan Kamal - Department of Mathematical Sciences, Sharif University of Technology, Tehran, Iran
Bahareh Shayesteh Pour - Department of Genetics, University of Science and Culture, ACECR, Tehran, Iran
Abstract:The use of personalized medicine to advance both the prevention and cure of disease is potentially possible. The main step to success in this filed depends on having proper diagnostic tests that identify patients who can benefit from targeted therapies. microRNAs (miRNAs) are a class of non-coding RNAs that regulate many cellular processes including tumorigenesis. Circulating miRNAs are known as less invasive markers in many malignancies such as cancer. Recent studies have shown that some specific miRNAs are deregulated in blood of early stage cancer patients compared to healthy controls. In this study, we aim to design subsets of circulating miRNAs can detect each type of cancer from unaffected controls and other types of cancers with high accuracy. We used miRNA expression profiles from the cancer genome atlas (TCGA) and analyzed 6104 next-generation sequencing (NGS) data related to 14 different types of cancer tissues encompassing 5493 cancer samples and 611 healthy controls. We were using feature selection algorithm and support vector machine with 10 fold cross validation as machine learning method for improving detection accuracy. By focusing on five miRNAs, we could separate all cancer samples from all normal samples with 97% accuracy. We obtained subsets with maximum 5 members and also acceptable accuracy for each cancer type. The highest accuracy received for thyroid carcinoma (98%) and kidney renal clear cell carcinoma (97%) with subset of three and two miRNAs, respectively. We also could classify samples in 3 classes (breast invasive carcinoma, normal breast tissue and all other normal and cancer tissues) just with 3 miRNAs. Using these bioinformatics approach we identified various subsets of miRNAs that could distinguish every type of cancer from unaffected controls. These subsets have potential to be evaluated in blood samples of each cancer type.
Keywords:Personalized medicine, Early detection, Circulating microRNA, Biomarker, Bioinformatics
COI code: IPMCMED01_025
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Sadeghi, Hanieh; Ali Sharifi Zarchi; Aryan Kamal & Bahareh Shayesteh Pour, 2016, Cancer Detection as a First Step of Personalized Medicine Using Circulating microRNAs in Peripheral Blood, First Personal Medical Congress, تهران, دانشگاه علوم پزشكي ايران - پژوهشكده ملي مهندسي ژنتيك و زيست فناوري ايران، مركز همكاري هاي فناوري و نوآوري هاي رياست جمهوري, https://www.civilica.com/Paper-IPMCMED01-IPMCMED01_025.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Sadeghi, Hanieh; Ali Sharifi Zarchi; Aryan Kamal & Bahareh Shayesteh Pour, 2016)
Second and more: (Sadeghi; Sharifi Zarchi; Kamal & Shayesteh Pour, 2016)
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Type: Nonprofit Institute
Paper No.: 1117
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