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111.
A denaturing gradient gel electrophoresis (DGGE) assay was used to detect mitochondrial DNA (mtDNA) sequence heteroplasmy in 160 hairs from each of three individuals. The HV1 and HV2 heteroplasmic positions were then identified by sequencing. In several hairs, the heteroplasmic position was not evident by sequencing and dHPLC separation of the homoduplex/heteroduplex species was carried out with subsequent reamplification and sequencing to identify the site. The overall detection frequency of sequence heteroplasmy in these hairs was 5.8% (28/480) with DGGE and 4.4% (21/280) with sequencing. Sequence heteroplasmy of hair was observed even when the reference blood sample of the individual was homoplasmic. The heteroplasmic positions were not necessarily observed at sites where high rates of substitution have been reported. In two hairs, a complete single base change from the reference blood sample was observed with sequencing, while the heteroplasmic condition at that site in the hair was observed using DGGE. The DGGE results in such samples would serve as an aid in considering the possibility of match significance. In a forensic case, this situation would lead to the possibility of a failure to exclude rather than to be inconclusive. 相似文献
112.
Penta E in the PowerPlex 16 kit is a pentanucleotide tandem repeat marker located on Chromosome 15, containing an AAAGA repeat motif. Variant alleles (18.4 and 19.4) were found in the Japanese population. A sequence analysis revealed that both the variant alleles had a partial repeat motif of AAAA, resulting in one-base-shorter alleles compared to known alleles. Despite the relatively large amplicon sizes (379 to 474 bp) of Penta E, an accurate allele assignment can be reliably made by capillary electrophoresis. However, alleles differing in size by only one base (e.g., 18.4 and 19) were not separated and appeared as a single broad peak. The Genotyper software assigned one of the component alleles to this peak. Therefore, such broad peaks require careful interpretation so as to not overlook the other component allele contained by the peak. As an index to recognize a peak containing two alleles, the ratio of peak area to peak height was found to be useful. 相似文献
113.
Motani H Sakurada K Akutsu T Ikegaya H Hayakawa M Sato Y Yajima D Sato K Kobayashi K Iwase H 《Journal of forensic sciences》2006,51(4):888-892
We examined the usefulness of the dura mater in identifying human remains. Dura mater was collected from 50 cadavers, including drowned, charred, and mummified remains. The STR genotype using the AmpFlSTR Identifiler Kit could be typed at 15 STR and amelogenin loci in 30 samples of 33 cases. Furthermore, the ABO genotype and amelogenin using gel-based methods could be typed in 44 samples of 50 cases. In cases with successful typing of STR, ABO-DNA, and amelogenin, the longest time after death was from 12 to 26 days in a drowned body. The minimum quantity of dura mater required for DNA extraction was about 2.5 mg, dried and fixed by ethanol, in a cadaver 15 h after death. The state of the DNA from the dura mater from the calvaria may be better than that from the basis cranii interna. We found that DNA from dura mater is one of the most useful samples for forensic identification. 相似文献
114.
115.
Intratracheal gas analysis was carried out by gas chromatography/mass spectrometry (GC/MS) in 20 burned body cases (13 males and 7 females). Volatile aromatic and aliphatic hydrocarbons were detected by GC/MS using a GS-Q column with the intratracheal gas as well as the blood in 19 cases. The characteristic patterns of mass chromatograms for gasoline, kerosene (gas oil), and liquid petroleum gas could be differentiated from each other using the intratracheal gas. The burned body in one case showed no presence of volatile substances in the intratracheal gas, nor intratracheal soot, although high concentrations (1 microg/g and more) of volatile substances were detected on the clothes. The victim also had normal CO-Hb concentrations (0.1 to 0.2%) in the heart blood. The results of intratracheal gas analysis were consistent with signs of the vital reaction. In conclusion, intratracheal gas analysis provides a supportive method for diagnosing the cause of death in burned bodies, and yields for at least 48 hours valuable information on volatile hydrocarbons (being detected in deliberate or accidental fire cases) to which the body had been exposed just before death. 相似文献
116.
Mitsuo Sato 《Asia-Pacific Review》1998,5(3):15-26
Mitsuo Sato, President of the Asian Development Bank (ADB), examines the causes of the East Asian financial crisis, and points out some lessons that can be learned from it. The ADB, he says, will have to accelerate its efforts to transform itself from a conventional project financier to a broad‐based development institution, in order to meet the changing needs of the Asian region. Policies related to the overall sustainability of the development process should be central to the Bank's operations, and it should focus on building up institutional capacities in its developing member countries. The ADB can use its credentials to catalyze resources for member countries, and should continue to promote sub‐regional cooperation. 相似文献
117.
Identification of Arrhythmogenic Right Ventricular Cardiomyopathy‐Causing Gene Mutations in Young Sudden Unexpected Death Autopsy Cases
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Takako Sato M.D. Ph.D. Hajime Nishio M.D. Ph.D. Koichi Suzuki M.D. Ph.D. 《Journal of forensic sciences》2015,60(2):457-461
Arrhythmogenic right ventricular cardiomyopathy (ARVC) results in an increased risk of sudden death. We sought mutations of desmoglein‐2 (DSG2), desmoplakin (DSP), and plakophilin‐2 (PKP2) in 15 cases of sudden death whose causes of death could not be determined at autopsy. In three victims, mutations were identified in DSP. Two of these mutations were novel; one had previously been reported in a patient with ARVC that had been diagnosed clinically. Histological findings were not typical of ARVC; however, it was notable that these mutations were present in three of 15 cases, a relatively high proportion. The causal relationship between the mutations and ARVC is unclear, but the mutations might have been associated with faulty desmosomal proteins resulting in fatal arrhythmia. Combining information gathered by the traditional means of gross and histological examination with postmortem genetic analysis of young victims would assist in identifying their cause of death. 相似文献
118.
Air bags have been implicated in saving lives and reducing morbidity associated with motor vehicle crashes since their introduction in the mid-1970s. However, there is increasing evidence showing that air bags can be a source of injury and even death in certain circumstances. As the number of air bag-equipped vehicles increases, air bag-related injuries have occurred more frequently. Thus, a greater awareness of air bag-related injuries is required in forensic autopsies. Here, we review thoroughly the literature concerning air bag-related injuries with special regard to their nature and causative mechanisms, and summarize air bag-related injuries observed in adults, children and infants. 相似文献
119.
Mine Sato 《Development in Practice》2014,24(7):840-853
The problem of poverty pockets in middle income countries has been identified as a major constraint for realising the Millennium Development Goals. There is an international need to develop programmes that alleviate poverty of identified populations without incurring their dependency on external aid. Aiming at developing such a programme, this article introduces the Japanese post-war Life Improvement Program and analyses the potential of its application to contemporary developing countries for poverty alleviation in a self-sufficient manner, intending to empower women. Issues such as gender relations, evaluating impacts, and linking practices to larger programmes and policies are also discussed. 相似文献