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ISSN-2155-9929

Journal of Molecular Biomarkers & Diagnosis
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Research Article

tRN-A-RS Acts As Biomarker for Cancer and Other Diseases

Arpa Samadder1#, Sanga Mitra2#, Bornisha Chakraborty3 and Jayprokas Chakrabarti2,4#*

1Computational and Systems Biology, Cancer Genomics, Molecular Biophysics, University of Massachusetts, Boston, MA 02125, USA

2Computational Biology Group, Indian Association for the Cultivation of Science, Kolkata, India

3Department of Biotechnology, Maharishi Markandeshwar University, Mullana, Ambala, Haryana, India

4Gyanxet, BF 286 Salt Lake, Kolkata, India

#These authors contributed equally to this work

Corresponding Author:
Jayprokas Chakrabarti
Computational Biology Group
Indian Association for the Cultivation of Science
Gyanxet, BF 286 Salt Lake Kolkata, India
Tel: +91 33 24734971
Fax: +91 33 24732805
E-mail: [email protected]

Received Date: May 03, 2016; Accepted Date: May 24, 2016; Published Date: May 26, 2016

Citation: Samadder A, Mitra S, Chakraborty B, Chakrabarti J (2016) tRN-A-RS Acts As Biomarker for Cancer and Other Diseases. J Mol Biomark Diagn S2:019. doi: 10.4172/2155-9929.S2-019

Copyright: © 2016 Samadder A, 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.

Abstract

Background: tRNA and ARS, tRN-A-RS, pivot the translational machinery. How their aberrances correlate to diseases, neurological conditions, metabolic disorders, and cancer is the purpose of this study.

Methods: Information was retrieved from the literature and from databases, such as OMIM and MITOMAP, related to disease and cancer. Changes of expressions of ARSs were assessed from analyzing NGS data available from TCGA, ENCODE and lately from roadmap epigenomics.

Results: A total of 647 tRNAs and 37 ARSs reside in the genomic pool of human, aberrant expressions of some of the nuclear tRNAs and cytoplasmic ARSs correlate predominately to cancer, while anomalous pathways in mitochondria relate more to other diseases. tRNA fragments juggle between tumor suppressor and oncogenic pathways. Brain cancer and neurological disorders seem to gain impetus from translation machinery components. However, investigation of the causes of the diseases particularly cancer due to the aberrations continues to be hamstrung by the lack of deep sequencing reads of tRNAs in different cell lines, and this needs to be addressed.

Conclusions: Increased cell proliferation requires elevated protein synthesis levels and makes the correlation between tumour cells and deregulated tRN-A-RS components in translation plausible. We draw the network of tRN-A-RS with cancer and other diseases, and present and expand on some of the hypotheses on the underlying molecular mechanisms, opening up new avenues for research.

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