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International Journal of Legal Medicine

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https://www.readbyqxmd.com/read/28439696/back-to-the-future-part-1-the-medico-legal-autopsy-from-ancient-civilization-to-the-post-genomic-era
#1
REVIEW
Giovanni Cecchetto, Thomas Bajanowski, Rossana Cecchi, Donata Favretto, Silke Grabherr, Takaki Ishikawa, Toshikazu Kondo, Massimo Montisci, Heidi Pfeiffer, Maurizio Rippa Bonati, Dina Shokry, Marielle Vennemann, Santo Davide Ferrara
Part 1 of the review "Back to the Future" examines the historical evolution of the medico-legal autopsy and microscopy techniques, from Ancient Civilization to the Post-Genomic Era. In the section focusing on "The Past", the study of historical sources concerning the origins and development of the medico-legal autopsy, from the Bronze Age until the Middle Ages, shows how, as early as 2000 BC, the performance of autopsies for medico-legal purposes was a known and widespread practice in some ancient civilizations in Egypt, the Far East and later in Europe...
April 24, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28439695/usefulness-of-telomere-length-in-dna-from-human-teeth-for-age-estimation
#2
Ana Belén Márquez-Ruiz, Lucas González-Herrera, Aurora Valenzuela
Age estimation is widely used to identify individuals in forensic medicine. However, the accuracy of the most commonly used procedures is markedly reduced in adulthood, and these methods cannot be applied in practice when morphological information is limited. Molecular methods for age estimation have been extensively developed in the last few years. The fact that telomeres shorten at each round of cell division has led to the hypothesis that telomere length can be used as a tool to predict age. The present study thus aimed to assess the correlation between telomere length measured in dental DNA and age, and the effect of sex and tooth type on telomere length; a further aim was to propose a statistical regression model to estimate the biological age based on telomere length...
April 24, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28434084/population-data-of-23-autosomal-str-loci-in-the-chinese-han-population-from-guangdong-province-in-southern-china
#3
Luyu Yang, Xiufeng Zhang, Lijuan Zhao, Yanan Sun, Jiajue Li, Renwu Huang, Liping Hu, Shengjie Nie
The genetic polymorphisms of 23 autosomal short tandem repeat (STR) loci included in the HuaxiaTM Platinum kit were evaluated in 1533 unrelated healthy Guangdong Han individuals living in the Guangdong Province in southern China. All of the loci reached the Hardy-Weinberg equilibrium. These loci were examined to determine the allele frequencies and forensic statistical parameters. The genetic relationship between the Guangdong Han and other Chinese populations was also estimated. The combined discrimination power and the probability of excluding the paternity of 23 STR loci were 0...
April 22, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28432434/ventricular-androgenic-anabolic-steroid-related-remodeling-an-immunohistochemical-study
#4
Rossana Cecchi, Barbara Muciaccia, Costantino Ciallella, Natale Mario Di Luca, Akihiko Kimura, Cristina Sestili, Mizuho Nosaka, Toshikazu Kondo
BACKGROUND: Several fatal cases of bodybuilders, following a myocardial infarction after long exposure to androgenic-anabolic steroids (AAS), are reported. In recent years, evidence has emerged of cases of heart failure related to AAS consumption, with no signs of coronary or aorta atherosclerosis. This study aims to further investigate the pathogenesis of the ventricular AAS-related remodeling performing immunohistochemistry (IHC). METHOD: In order to examine innate immunity activity and myocytes and endothelial cell apoptosis, IHC analyses were performed on heart tissue of two cases of bodybuilders who died after years of supratherapeutic use of metelonone and nandrolone and where no atherosclerosis or thrombosis were found, using the following antibodies: anti-CD68, anti-iNOS, anti-CD163, anti-CD 15, anti-CD8, anti-CD4, anti-HIF1 α, and in situ TUNEL staining...
April 21, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28429088/an-snp-panel-for-the-analysis-of-paternally-inherited-alleles-in-maternal-plasma-using-ion-torrent-pgm
#5
Donggui Yang, Hao Liang, Shaobin Lin, Qing Li, Xiaoyan Ma, Jun Gao, Hongyu Sun, Qingqing Chen, Jianzhu Wu, Xueling Ou
Researchers have sought to develop an effective protocol for paternity analysis using cell-free DNA (cfDNA) in maternal plasma. The use of massively parallel sequencing (MPS) technology for SNP testing is attractive because of its high-throughput capacity and resolution to single-base precision. In this study, we designed a customized SNP panel for cfDNA sequencing that includes 720 short amplicons (< 140 bp) targeting SNPs on the autosome and Y chromosome. The systemic performance was evaluated using the Ion Torrent PGM, indicating balanced coverage among most of the included loci, except for 78 poorly performing SNPs that were observed to have an inconsistent allele balance, lower coverage reads or high background signals...
April 20, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28417259/comparison-between-magnetic-bead-and-qpcr-library-normalisation-methods-for-forensic-mps-genotyping
#6
Bhavik Mehta, Samantha Venables, Paul Roffey
Massively parallel sequencing (MPS) is fast approaching operational use in forensic science, with the capability to analyse hundreds of DNA identity and DNA intelligence markers in multiple samples simultaneously. The ForenSeq™ DNA Signature Kit on MiSeq FGx™ (Illumina) workflow can provide profiles for autosomal short tandem repeats (STRs), X chromosome and Y chromosome STRs, identity single nucleotide polymorphisms (SNPs), biogeographical ancestry SNPs and phenotype (eye and hair colour) SNPs from a sample...
April 18, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28417258/in-vivo-facial-soft-tissue-depths-of-a-modern-adult-population-from-germany
#7
Nicolle Thiemann, Volker Keil, Uwe Roy
Forensic facial reconstruction may be the final option available to draw public attention in cases where the identity of an individual cannot be established by standard identification methods. Two fundamental components of all forensic facial reconstruction techniques are cranial morphology and soft tissue depth databases. The purpose of this study was to extend such databases by providing a complete set of accurate facial soft tissue thickness measurements, acquired from a contemporary adult population from Germany...
April 17, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28405752/genetic-characterization-of-an-x-str-decaplex-system-in-the-state-of-mato-grosso-brazil-distribution-forensic-efficiency-and-population-structure
#8
Joyce A Martins, Denise P Martins, Camila I F Oliveira-Brancati, Juliana Martinez, Regina M B Cicarelli, Dorotéia R S Souza
Studies with X-STR loci show population genetic substructure, which makes necessary the characterization of such markers in the different geographical and/or ethnic populations. Therefore, this study assessed the distribution and forensic efficiency of an X-STR decaplex system in the population of the State of Mato Grosso, as well as analysed the population structure of this State based on the aforementioned system. All X-STR markers were in Hardy-Weinberg equilibrium and linkage equilibrium, and the DXS6809 was the most informative marker...
April 12, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28405751/developmental-validation-of-a-6-dye-str-kit-with-27-loci
#9
Shuanglin Li, Ling Chen, Yanfang Wang, Quyi Xu, Hong Liu, Yue Li, Chao Liu
The EX27 System is a 6-dye (i.e., FAM, HEX, TAMAR, ROX, VIG, and SIZ-500) kit that combines the 24 autosomal STR loci (i.e., D3S1358, D13S317, D7S820, D16S539, D1S1656, Penta E, TPOX, TH01, D2S1338, CSF1PO, Penta D, D10S1248, D19S433, vWA, D21S11, D18S51, D6S1043, D8S1179, D5S818, D12S391, FGA, D22S1045, D2S441, SE33) with a Y-STR locus (DYS391), an Indel site (YIndel) and Amelogenin, which is designed to amplify DNA from extracts as well as direct amplification from substrates. The new system contains most of the widely used autosomal STR loci around the world and is sensitive to the male component in mixtures and is more accurate in gender determination owing to the DYS391 and YIndel...
April 12, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28401305/evaluation-of-specific-neural-marker-gap-43-and-th-combined-with-masson-trichrome-staining-for-forensic-autopsy-cases-with-old-myocardial-infarction
#10
Tian-Shui Yu, Xu Wang, Hai-Dong Zhang, Ru-Feng Bai, Rui Zhao, Da-Wei Guan
It has been a puzzling forensic task to determine the cause of death as a result of old myocardial infarction (OMI) in the absence of recognizable acute myocardial infarction. Recent studies indicated that the heterogeneous cardiac nerve sprouting and sympathetic hyperinnervation at border zones of the infarcted site played important roles in sudden cardiac death (SCD). So, the present study explored the value of growth associated protein-43 (GAP-43) and tyrosine hydroxylase (TH) as objective and specific neural biomarkers combined with Masson-trichrome staining for forensic autopsy cases...
April 11, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28401304/postmortem-concentration-distribution-in-fatal-cases-involving-the-synthetic-opioid-u-47700
#11
LETTER
Marek Dziadosz, Michael Klintschar, Jörg Teske
No abstract text is available yet for this article.
April 11, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28401303/evaluation-of-forensic-genetic-parameters-of-12-str-loci-in-the-korean-population-using-the-investigator-%C3%A2-hdplex-kit
#12
Ju Yeon Jung, Eun Hye Kim, Yu-Li Oh, Hyun-Chul Park, Jung Ho Hwang, Si-Keun Lim
We genotyped and calculated the forensic parameters of 10 non-CODIS loci and 2 CODIS loci of 990 Korean individuals using the Investigator(Ⓡ) HDplex kit. No significant deviations from Hardy-Weinberg equilibrium (after Bonferroni correction for multiple testing) or genetic linkage disequilibrium were observed. The calculated matching probability and power of discrimination ranged from 0.0080 to 0.2014, and 0.7986 to 0.9920, respectively. We conclude that the markers of the kit are highly informative corroborative tools for forensic DNA analysis...
April 11, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28391405/postmortem-genetic-testing-should-be-recommended-in-sudden-cardiac-death-cases-due-to-thoracic-aortic-dissection
#13
Marina Gago-Díaz, Eva Ramos-Luis, Silvia Zoppis, Esther Zorio, Pilar Molina, Aitana Braza-Boïls, Juan Giner, Beatriz Sobrino, Jorge Amigo, Alejandro Blanco-Verea, Ángel Carracedo, María Brion
BACKGROUND: Acute thoracic aortic dissections and ruptures, the main life-threatening complications of the corresponding aneurysms, are an important cause of sudden cardiac death. Despite the usefulness of the molecular diagnosis of these conditions in the clinical setting, the corresponding forensic field remains largely unexplored. The main goal of this study was to explore and validate a new massive parallel sequencing candidate gene​ assay as a diagnostic tool for acute thoracic aortic dissection autopsy cases...
April 8, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28389927/post-mortem-imaging-of-the-infant-and-perinatal-dura-mater-and-superior-sagittal-sinus-using-optical-coherence-tomography
#14
Emma C Cheshire, Roger D G Malcomson, Shiju Joseph, Asif Adnan, David Adlam, Guy N Rutty
Infants and young children are likely to present with subdural haemorrhage (SDH) if they are the victims of abusive head trauma. In these cases, the most accepted theory for the source of bleeding is the bridging veins traversing from the surface of the brain to the dura mater. However, some have suggested that SDH may result from leakage of blood from a dural vascular plexus. As post-mortem examination of the bridging veins and dura is challenging, and imaging modalities such as magnetic resonance and computed tomography do not have the resolution capabilities to image small blood vessels, we have trialled the use of intravascular and benchtop optical coherence tomography (OCT) systems for imaging from within the superior sagittal sinus (SSS) and through the dura during five infant/perinatal autopsies...
April 7, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28386691/identification-of-a-common-single-nucleotide-polymorphism-at-the-primer-binding-site-of-d2s1360-that-causes-heterozygote-peak-imbalance-when-using-the-investigator-hdplex-kit
#15
Shota Inokuchi, Yasuhiro Yamashita, Kazuma Nishimura, Hiroaki Nakanishi, Kazuyuki Saito
Phenomena known as null alleles and peak imbalance can occur because of mutations in the primer binding sites used for DNA typing. In these cases, an accurate statistical evaluation of DNA typing is difficult. The estimated likelihood ratio is incorrectly calculated because of the null allele and allele dropout caused by mutation-induced peak imbalance. Although a number of studies have attempted to uncover examples of these phenomena, few reports are available on the human identification kit manufactured by Qiagen...
April 6, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28361336/setting-the-light-conditions-for-measuring-root-transparency-for-age-at-death-estimation-methods
#16
Joe Adserias-Garriga, Laia Nogué-Navarro, Sara C Zapico, Douglas H Ubelaker
Age-at-death estimation is one of the main goals in forensic identification, being an essential parameter to determine the biological profile, narrowing the possibility of identification in cases involving missing persons and unidentified bodies. The study of dental tissues has been long considered as a proper tool for age estimation with several age estimation methods based on them. Dental age estimation methods can be divided into three categories: tooth formation and development, post-formation changes, and histological changes...
March 30, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28342005/genetic-polymorphisms-for-19-autosomal-str-loci-of-chongqing-han-ethnicity-and-phylogenetic-structure-exploration-among-28-chinese-populations
#17
Xing Zou, YongGuo Li, Ping Li, QianYun Nie, Ting Wang, Yue Hu, Ying Zhu, JianBo Li, RenKuan Tang
The allele frequencies and forensic statistical parameters of 19 autosomal short tandem repeat (STR) loci (D8S1179, D21S11, D7S820, CSF1P0, D3S1358, THOl, D13S317, D16S539, D2S1338, D19S433, vWA, TPOX, D18S51, D5S818, FGA, D6S1043, Penta D, Penta E, and D12S391) included in the Goldeneye™ DNA ID system 20A kit were obtained in 671 Chinese Han individuals residing in Chongqing, Southwest China. All 19 STR loci were identified in agreement with the Hardy-Weinberg equilibrium. A total of 238 alleles were observed with corresponding allele frequencies that varied from 0...
March 24, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28337600/technical-note-envision%C3%A2-flex-improves-the-detectability-of-depletions-of-myoglobin-and-troponin-t-in-forensic-cases-of-myocardial-ischemia-infarction
#18
Sara Sabatasso, Catia Pomponio, Tony Fracasso
Immunohistochemistry is a well-established technique used in many research laboratories as well as in clinical diagnostics. The method allows to visualize the expression of proteins in biological tissues, as well as to evaluate this expression semi-quantitatively. For diagnosis, an optimal staining, based on a straightforward protocol, is crucial. In many sudden cardiac death cases, immunohistochemistry is the only tool enabling the diagnosis of myocardial ischemia/infarction, thus the diagnosis of the cause of death...
March 23, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28337599/genetic-variation-of-17-autosomal-str-loci-in-the-dong-ethnic-minority-from-guangxi-zhuang-autonomous-region-south-china
#19
Fei Guo
A total of 17 autosomal short tandem repeat (STR) loci were amplified with the PowerPlex 18D System from 3244 unrelated healthy individuals of Dong ethnic minority living in Guangxi Zhuang Autonomous Region, South China. Moreover, genetic distances between Dong and 12 published populations were compared, and a neighbor-joining (NJ) phylogenetic tree was developed using averaged F ST matrix and visualized. Results are generally in accordance with the geographical and linguistic distribution of studied populations and their historical relationships with Guangxi Dong...
March 23, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28337598/likelihood-ratio-formulae-for-disputed-parentage-when-the-product-of-conception-is-trisomic
#20
Duncan A Taylor, Oliva Handt, Damien Abarno, John Buckleton
We present here the derivation of paternity index formulae that covers situations of a disputed paternity trio with a trisomic product of conception. We consider six possible mechanisms for trisomy to occur: dispermy, dieggy, paternal meiosis I or II, and maternal meiosis I or II in the calculation. We also provide a biological explanation for how each of the mechanisms could give rise to a trisomy. The paper is set out in a general manner so that the tables presented can be used on any instance of trisomic offspring...
March 23, 2017: International Journal of Legal Medicine
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