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The Application of PCR and STR DNA Profiling for the Identification of Haematoxylin Eosin Histological Slides in a Case of Sample Mix-Up Involving Synonymous Patients

Tairis, N, Theodosopoulou, E, Fitsialos, G, Farmakis, P and Zouganelis, GD (2018) The Application of PCR and STR DNA Profiling for the Identification of Haematoxylin Eosin Histological Slides in a Case of Sample Mix-Up Involving Synonymous Patients. SciFed Journal of Forensics.

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Abstract

A good laboratory practice ensures that biopsy material is correctly identified and associated with a given patient. Nevertheless, there are cases where the proof of origin of a tissue sample may be questioned. In this case study we have identified the source of cervical cancer glass slide sections stained with H/E, (hematoxylin eosin), after the request of a patient of Northern Greek origin who suspected sample mix-up when she coincidentally found out that a synonymous patient was examined for cervical cancer at the same time period in the same hospital in Greece. The patient was prepared to legally challenge the administrators of the downstream chemotherapeutic regimen. A combination of organic gradient clean up and silica membrane method was used for DNA isolation. Powerplex-16® system (Promega U.S.A) was used to generate complete DNA profiles from histological slides and the reference blood sample collected from the patient. Histochemical slides often yield inadequate STR profiles for successful DNA typing. Complete profiling in this case could be attributed to the adequate removal of stain and fixatives inhibitors and the isolation of good quality DNA for PCR or STR, protocols. Matching of histochemical slide DNA with patient blood DNA prevented legal action.

Item Type: Article
Subjects: Q Science > QH Natural history > QH301 Biology
R Medicine > R Medicine (General)
Divisions: Biological & Environmental Sciences (new Sep 19)
Publisher: SciFed Publishers
Date Deposited: 26 Sep 2019 10:39
Last Modified: 26 Sep 2019 10:45
URI: http://researchonline.ljmu.ac.uk/id/eprint/11395

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