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71.
Onishi Hiroshi 《International Understanding》2010,(3):31-33
<正>When I visited China last year as a delegation member from Japan-China Friendship Association, I expressed to the Chinese Association for International Understanding (CAFIU) that I wish I 相似文献
72.
Watanabe K Ikegaya H Hirayama K Motani H Iwase H Kaneko H Fukushima H Akutsu T Sakurada K 《Journal of forensic sciences》2011,56(Z1):S183-S187
ABO genotyping is often performed to identify the blood type of decomposed samples, which is difficult to be determined by a serological test. In this study, we developed a simple method for ABO genotyping using a DNA chip. In this method, polymerase chain reaction-amplified and fluorescent-labeled fragments in the ABO gene and primate-specific D17Z1 were hybridized with DNA probes on a chip designed to detect single nucleotide polymorphisms (SNPs) in the ABO gene and part of the D17Z1 sequence. Using blood samples from 42 volunteers and 10 animal species, we investigated whether the chip could be used to detect SNPs in the ABO gene and the D17Z1 sequence. This method was then applied to various forensic samples, and it was confirmed that this method was suitable for the simultaneous analyses of ABO genotyping and species identification. This method fulfills the recent need for the development of rapid and convenient methods for criminal investigations. 相似文献
73.
74.
Using the highly sensitive immunohistochemical staining method EnVision+, which employs a dextran polymer reagent for the secondary antibody, the detection of the ABH antigens was attempted in the oral squamous epithelium. This new technique uses monoclonal antibody as a primary antibody and it takes about three hours for staining. The time is much shorter than conventional absorption-elution testing or absorption-inhibition testing for the determination of ABO blood grouping. Secretor saliva samples were stained at strong intensity by the antibody, which corresponded to its blood group and anti-H. On the one hand, nonsecretor saliva samples were stained at strong intensity only by the antibody that corresponded to its blood group, and at weak intensity only by anti-H. Since human oral squamous epithelium antigens were stained specifically by this method, we can examine the ABO blood group of saliva samples and perform cytodiagnosis at the same time. Our research suggested that the EnVision+ Method is a useful technique for ABO blood grouping of saliva in forensic cases. 相似文献
75.
Koyama H Iwasa M Ohtani S Ohira H Tsuchimochi T Maeno Y Isobe I Matsumoto T Yamada Y Nagao M 《The American journal of forensic medicine and pathology》2002,23(3):272-276
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, of mitochondrial DNA. They also sequenced these regions of blood samples that were obtained from the presumptive mother or sister of the human remains. The sequencing results were compared with each other and with the Anderson's sequence. It was concluded from the sequence data that a lower part of a body in case 1 and some organs in case 2 were from the same woman, and a human head in case 3 and a female body in case 4 were from the relative of a presumptive mother and a sister, respectively. 相似文献
76.
Allele frequencies for eight short tandem repeal loci (D16S539, D7S820, D13S317, D5S818, CSF1PO, TPOX, TH01 and vWA) were obtained from samples of 100 Chinese and 96 African (Xhosa) unrelated individuals. 相似文献
77.
We examined histologically the meninges adherent to traumatic lesions of a patient with brain death sustained for 101 days and observed both early and late reactions of wound healing at the same site of the dura mater. Some parts of the dura mater were thick and histological examinations revealed formation of new vessels and fibrosis with strong positive reaction for iron and fat staining. We also observed fresh haemorrhage and some cell infiltration in the dura and fresh haemorrhage in a small piece of necrotic brain tissue adhered to the dura mater, while other areas of the brain tissue were completely necrotic, enabling the sites of head injury to be localised. These observations suggested that the blood flow in the dura mater fluctuates due to a change of microenvironment, which probably causes repeated secondary petechial haemorrhages in the dura and its adherent necrotic brain tissue, even 101 days after brain death. 相似文献
78.
79.
The polymorphism of BF was investigated in 765 unrelated Japanese individuals by isoelectric focusing and immunoblotting. Besides five common subtypes three rare variants were observed. The allele frequencies were: BF*S = 0.8078, BF*FA = 0.1797, BF*FB = 0.0105, BF*Var. = 0.0020. The above method was successfully applied to subtyping BF in stored bloodstains. The determination limits were: at 4 degrees C 8 weeks, at room temperature 2 weeks and at 37 degrees C only 2 days after storage. The BF subtyping is of practical use in medicolegal individualization of unknown bloodstains. 相似文献
80.
A 55-year-old man was discovered dead inside a deep freezer maintained at -40 degrees C. After consuming a large quantity of alcohol, the man had become trapped in the freezer approximately 11 h before his body was found. The body was still frozen at the time of autopsy, but subcutaneous dendriform vessel repletion phenomenon was observed on the upper and lower extremities. Although this intravascular hemolysis resembled that which develops during putrefaction, in this case it was thought to be due to pooling and freezing of blood in subcutaneous vessels. Contributory factors included alcohol ingestion, vasodilation following vasoconstriction, vasomotor paralysis, and red cell sludging. Hemolysis followed freezing of the blood. When such phenomena are observed in a corpse, exposure to extreme cold should be suspected. 相似文献