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Usefulness of Nucleic Acids (DNA/RNA) from Buccal Cells Isolated from Mouthwashes using a Modified Method | OMICS International | Abstract
ISSN: 2157-7145

Journal of Forensic Research
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Short Communication

Usefulness of Nucleic Acids (DNA/RNA) from Buccal Cells Isolated from Mouthwashes using a Modified Method

Divyalakshmi Saini and Birajalaxmi Das*

Low Level Radiation Research Section, Radiation Biology and Health Sciences Division, Bio-Science Group, Bhabha Atomic research Centre, Trombay, Mumbai 400 085, India

*Corresponding Author:
Birajalaxmi Das
Low Level Radiation Research Section
Radiation Biology and Health Sciences division
Bhabha Atomic Research Centre
Trombay, Mumbai- 400 085, India
E-mail: [email protected], [email protected]

Received date: March 21, 2014; Accepted date: June 09, 2014; Published date: June 16, 2014

Citation: Saini D, Das B (2014) Usefulness of Nucleic Acids (DNA/RNA) from Buccal Cells Isolated from Mouthwashes using a Modified Method. J Forensic Res 5:233 doi: 10.4172/2157-7145.1000233

Copyright: © 2014 Saini D, 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.


Human buccal cells are an easy source of nucleic acids (DNA/RNA) other than human blood. We have extracted buccal cells from mouthwashes of 10 individuals and tested its usefulness for genotyping, telomere length determination and gene expression. Genomic DNA was extracted using a salt precipitation method whereas total RNA was extracted using Hipura total RNA extraction kit. The quantity and quality of DNA and RNA was found to be satisfactory. PCR amplification was achieved using locus specific primers and genotyping was performed for minisatellites, microsatellites and Single nucleotide polymorphisms (SNPs). Telomere length was determined from the genomic DNA of buccal cells obtained from mouthwashes. Telomere length obtained from the DNA isolated from buccal cells and peripheral blood mononuclear cells was compared. Real time quantitative PCR was successfully performed for GADD45A, G6PD, B-Actin and B2M. In conclusion, our method of DNA /RNA extraction can be considered as an alternative method of sample collection for forensic medicine.


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