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Home▶Archive▶Vol. 38 No. 2 (2021)▶DNA EXTRACTION FROM FORMALIN FIXED TISSUE USING AN…
Print ISSN 0971-1929 · Online ISSN 0974-4568
Original Research Paper

DNA EXTRACTION FROM FORMALIN FIXED TISSUE USING AN ALTERNATIVE PROTOCOL

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K Chauhan — Senior Scientific Officer, Biology division, Central Forensic Science Laboratory (CBI), CGO Complex, Lodhi Road, New Delhi, India
BK Mohapatra — Senior Scientific Assistant, Biology division, Central Forensic Science Laboratory (CBI), New Delhi, India
R Kaushik — PhD Student, DNA Laboratory, AIIMS, New Delhi
C Behera — Laboratory technician, DNA Laboratory, AIIMS, New Delhi
Published 7 Jun 2024 Vol. 38 No. 2 (2021), pp. 78-80
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Abstract

It is always a challenging task for obtaining desired amount of amplifiable DNA from formalin-fixed and non paraffin-embedded tissue sample for the purpose of human individualization, since formalin fixation of tissue samples causes fragmentation of the DNA and formation of cross linked protein-DNA complexes. The present study sought laboratories in cases related to product of conception,abandoned babies, microtomized and stained histo- pathological slides etc. needing DNA test.

KeywordsFormalin fixed tissueDNA Extractionde crosslinkingPCR amplificationDNA profiling
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