Abstract:
:The 4977-bp deletion in human mitochondrial DNA (mtDNA) is known to accumulate in various tissues with age. Since this deletion in mtDNA correlates closest with age in muscle tissue, iliopsoas muscle tissue was taken at autopsy from 50 persons aged 24-97 years to determine whether age at death can be estimated based on the amount of the 4977-bp deletion in skeletal muscle. Total DNA (nuclear and mtDNA) was extracted from 100 mg tissue and the 4977-bp deletion quantified using a kinetic polymerase chain reaction (PCR) followed by visualization of the products on silver stained polyacrylamide gels. The amount of the 4977-bp deletion of mtDNA ranged from 0.00049% to 0.14% depending on age, with a correlation coefficient of r = 0.83 (P = 0.0001). In forensic practice this method can aid in the estimation of age at death with a relatively wide confidence interval, thus enabling a discrimination between young and elderly persons in the identification of human remains based solely on skeletal muscle.
journal_name
Forensic Sci Intjournal_title
Forensic science internationalauthors
Meissner C,von Wurmb N,Schimansky B,Oehmichen Mdoi
10.1016/s0379-0738(99)00126-7keywords:
subject
Has Abstractpub_date
1999-11-01 00:00:00pages
115-24issue
2eissn
0379-0738issn
1872-6283pii
S0379-0738(99)00126-7journal_volume
105pub_type
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