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Journals and Conferences
Sequence polymorphysms of the mitochondrial DNA (mtDNA) control region, hypervariable regions I and II, from 50 unrelated Japanese were determined by PCR amplification and cycle sequencing.
A procedure utilizing Chelex 100, chelating resin, was adapted to extract DNA from dental pulp. The procedure was simple and rapid, involved no organic solvents, and did not require multiple tube transfers. The extraction of DNA from dental pulp using this method was as efficient, or more so, than using proteinase K and phenol-chloroform extraction. In this… (More)
The authors report four cases in which severely damaged human remains were identified by mitochondrial DNA (mtDNA) sequencing. Degraded DNA was extracted from highly adipoceratous tissues using the phenol-chloroform method and polymerase chain reaction amplified for sequencing of two hypervariable regions, hypervariable region 1 and hypervariable region 2,… (More)
There are various toxic chemicals that cause cell death. However, in certain cases deleterious agents elicit various cellular responses prior to cell death. To determine the cellular mechanisms by which such cellular responses are induced is important, but sufficient attention has not been paid to this issue to date. In this study, we showed the… (More)
The distribution of allele frequency of X-chromosomal STR, DXS10011, from 99 unrelated Japanese, 72 male and 27 female, were determined by PCR amplification and PAGE. At the same time, haplotype frequencies of five Y-chromosomal STR loci, DYS19, DYS389I, DYS389II, DYS390 and DYS393 from male samples were determined.
In gunshot wounds to the head, the bullet containing neurotoxic lead may remain in the brain after trauma, and brain damage is therefore anticipated. We developed an animal model incorporating a lead ball implanted in the brain, or a glass ball as a control, and analyzed histological and biochemical changes in the brain for 28 days after surgery. The… (More)
A 65-year-old male patient who was hospitalized with schizophrenia died about 15 min later after ingestion of a large volume of saponated cresol solution in a mental hospital. Fatal levels of free p- and m-cresol in the heart blood were detected at 458.8 and 957.3 microg/ml, respectively, which far exceeded the fatal levels determined previously. The levels… (More)
On March 20, 1995, the Tokyo subway system was subjected to a horrifying terrorist attack with sarin gas (isopropyl methylphosphonofluoridate) that left 12 persons dead and over 5000 injured. In order to diagnose the definite cause of death of the victims, a new method was developed to detect sarin hydrolysis products in the erythrocytes and formalin-fixed… (More)
The utility of Y-STR haplotype and mtDNA sequence in personal identification from human remains is demonstrated. In five cases, severely damaged human remains were identified by Y-chromosomal short tandem repeat (STR) (Y-STR) haplotyping and mitochondrial DNA (mtDNA) sequencing. DNA was extracted from highly adipoceratous tissues using the phenol-chloroform… (More)
We describe two fatal cases of child abuse in which neighbors were unaware of the victims' disappearance for 1.5 months and 1 year, respectively. Recently, there have been fatal child abuse cases in which neighbors have been aware of the signs of the abuse but not notified the Child Care Authorities. Lack of concern about child welfare in the community is… (More)