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Phosphoglucomutase isoenzymes in human teeth.

D K Whittaker, T J Rothwell

Forensic Science International

|March 1, 1984

Summary

This summary is machine-generated.

Phosphoglucomutase (PGM) activity in teeth can be detected even after putrefaction. This enzyme typing method shows potential for forensic identification using dental fragments.

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Area of Science:

Forensic Odontology
Biochemistry
Molecular Biology

Background:

Dental tissues are a potential source of biological evidence.
Enzyme polymorphisms can be used for individual identification.

Purpose of the Study:

To investigate the stability and utility of phosphoglucomutase (PGM) enzyme activity in dentine for identification purposes.
To assess PGM activity in fresh and putrefied dental samples.

Main Methods:

Powdered dentine samples were prepared from fresh and putrefied teeth (up to 90 days).
Dentine-only and dentine with pulp remnants were analyzed.
Starch gel electrophoresis was used to determine phosphoglucomutase activity and PGM typing.

Main Results:

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Fresh teeth exhibited PGM activity in over 50% of cases.
Putrefied dentine with pulp remnants also showed significant PGM activity.
Putrefied dentine alone demonstrated minimal PGM activity.

Conclusions:

PGM typing of dental tissues is feasible even after decomposition.
The presence of pulp remnants enhances the detection of PGM activity in putrefied teeth.
This enzymatic method shows promise for forensic identification from dental fragments.