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Standardized protocol for the isolation of DNA from human saliva- a pilot study

Author Affiliations

  • 1Biomaterials and Regenerative Medicine Laboratory, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamil Nadu-603 103, India
  • 2Biomaterials and Regenerative Medicine Laboratory, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamil Nadu-603 103, India
  • 3Biomaterials and Regenerative Medicine Laboratory, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamil Nadu-603 103, India
  • 4Biomaterials and Regenerative Medicine Laboratory, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamil Nadu-603 103, India
  • 5Biomaterials and Regenerative Medicine Laboratory, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamil Nadu-603 103, India

Int. Res. J. Biological Sci., Volume 10, Issue (3), Pages 40-44, August,10 (2021)

Abstract

This study aimed to standardize the methodology for the isolation of DNA from human saliva. The present study was conducted with 20 healthy control subjects with no history of smoking habits and other oral complications. The subjects were recruited from Chettinad Dental College and Research Institute (CDCRI) with the study protocol's approval from Institutional Human Ethics Committee (392/IHEC/10-17). Their age of the subjects was ranged between 30-45 years. Approximately 5 ml of human saliva was collected in a fresh tube with informed consent from healthy controls by informing the current research study by the donors. Genomic DNA was prepared from human saliva sample by ammonium acetate method. The quantification process was determined by a UV-visible spectrophotometer (UV-1800 Shimadzu spectrophotometer) to determine the purity and concentration of DNA. The average concentration of DNA from a saliva sample was found at1.48mg/ml.

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