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ISSN: 2157-7633

Journal of Stem Cell Research & Therapy
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Research Article

Identification and Pattern Analysis of SNPs Involved in Colorectal Cancer

Praneti Patidar1 and Jyoti Bhojwani1,2*

1Bio-Informatics Lab, School of Computer Science and Information Technology, DAVV/Indore University, Indore-452001, India

2Bio-Informatics Lab, School of Computer Science and Information Technology, School of Life Sciences, DAVV/Indore University, Indore-452001, India

*Corresponding Author:
Dr. Jyoti Bhojwani
Bio-Informatics Lab
School of Computer Science and Information Technology
School of Life Sciences, DAVV/Indore University, Indore-452001, India
E-mail: [email protected]

Received date: July 18, 2013; Accepted date: August 16, 2013; Published date: August 19, 2013

Citation: Patidar P, Bhojwani J (2013) Identification and Pattern Analysis of SNPs Involved in Colorectal Cancer. J Stem Cell Res Ther 3:144. doi:10.4172/2157-7633.1000144

Copyright: © 2013 Patidar P, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Colorectal cancer (CRC) is the second leading cause of cancer-related deaths globally posing a lifetime risk of 80-100% in every individual. Genetics and relevant mechanisms underlying some key signaling pathways like Wnt, TGF, p53, K-ras etc. play a detrimental role in governing the predisposition for CRC. A high percentage of colorectal tumors (adenomas and carcinomas) show activating mutations in beta-catenin or axin, whereas, loss of certain tumor suppressor genes (TSGs), like APC cause the initiation of random polyps in the colon. All of these molecules incidentally are critical components of an evolutionarily conserved Wnt signaling pathway, which is instrumental at various time-points in the development of this disease. Differences in SNP profiles amongst sample groups in the genomic landscape can be recognized through a smart and efficient use of machine learning techniques. The statistics and pattern analyses of these SNP profiles, interestingly provides us with a concrete and logical platform upon which, relative contribution/s of each unique SNP, ranging “from cause to effect” can be significantly assessed. The biological relevance of these SNP variations with respect to cancer prediction and predisposition, however, remains to be resolved, pending a better understanding of the impact of rational control design in SNP studies. Our results emerging from the analyses of significant SNPs reported here, demonstrates the utility of relevant bioinformatics tools and machine learning techniques in discriminating diseased populations based on realistic SNP data. In this study, we have primarily targeted critical members of Wnt signaling pathway, which play important developmental role/s during different stages of colorectal cancer, depicting a classical “multigene-multistep nature” of cancer. We have identified and related common genetic variants for the “early-acting” and “late-acting” members of this pathway, that are most prevalent in patients with CRC disease, by harnessing the power of developmental biology tools. In addition, complex relationships and correlations hidden in large data-sets have been dug and analyzed here, by deploying various datamining (bioinformatics) techniques. The report discusses the scope of such a combinatorial approach, by identifying some potential candidate targets of therapy, in translational research and clinical medicine interventions.


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