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International Journal of Legal Medicine

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https://www.readbyqxmd.com/read/28523410/genomic-portrait-of-population-of-jharkhand-india-drawn-with-15-autosomal-strs-and-17-y-strs
#1
Jahangir Imam, Romana Reyaz, Rama Shankar Singh, Arun Kumar Bapuly, Pankaj Shrivastava
We analysed 15 autosomal STRs in 200 unrelated individuals (102 males and 98 females) and 17 Y-STRs in 102 unrelated males living in Jharkhand, India, to establish parameters of forensic interest. The examined autosomal STRs revealed high combined power of exclusion (CPE) and combined power of discrimination (CPD) as equal to 0.9999 and greater than 0.99999, respectively. The combined probability of match (CPm) and combined paternity index (CPI) for all 15 autosomal STR loci were found to be 5.15 × 10(-18) and 6...
May 18, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28516222/population-data-of-17-y-strs-yfiler-from-punjabis-and-kashmiris-of-pakistan
#2
Atif Adnan, Allah Rakha, Anum Noor, Mannis van Oven, Arwin Ralf, Manfred Kayser
Pakistan harbors 16 major ethnic groups including Punjabis (56% of total population) and Kashmiri (6% of total population). Here, we report data of 17 Y-chromosomal short tandem repeats (Y-STRs) genotyped with the AmpFlSTR Y-filer™ PCR Amplification kit in 94 Punjabis and 101 Kashmiris. The estimated haplotype diversity was higher in Punjabis (0.996) than that in Kashmiris (0.983). Furthermore, we performed population genetic analyses by including data from six other Pakistani groups. The presented haplotype data were recently included in the Y-Chromosome Haplotype Reference Database (YHRD) for future forensic and other usage...
May 17, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28509940/medico-legal-assessment-of-methamphetamine-and-amphetamine-serum-concentrations-what-can-we-learn-from-survived-intoxications
#3
Marco Weber, Rüdiger Lessig, Carolin Richter, Axel P Ritter, Ilona Weiß
Medico-legal experts are increasingly enlisted to assess the methamphetamine and amphetamine serum concentrations after a criminal offense. However, since criminal users rarely provide useful information to medico-legal experts regarding the substances abused, when the substance(s) was/were used, dose of ingestion tools are needed to interpret the analytical data, which can be used as objective evidence in such cases. A comparative series of methamphetamine and amphetamine serum concentrations were used to analyze the frequency of concentrations, to determine methamphetamine/amphetamine concentration ratios, and prove them as a tool to distinguish pure methamphetamine from mixed amphetamine/methamphetamine ingestion...
May 16, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28503702/postmortem-diagnosis-of-hyponatremia-case-report-and-literature-review
#4
REVIEW
Jessica Vanhaebost, Cristian Palmiere, Maria Pia Scarpelli, Fabiola Bou Abdallah, Arnaud Capron, Gregory Schmit
Hyponatremia is defined as a plasma sodium concentration less than 135 or 130 mEq/L (or mmol/L) and may be responsible for life threatening symptoms that can be observed in a variety of medical conditions. Cases of fatal hyponatremia have been reported in both clinical and forensic literature in situations of water intoxication due to psychogenic polydipsia, amphetamine derivative drug intake, high-endurance exercise, iatrogenic causes, and exceptional cases of child abuse by forced water intoxication. Vitreous sodium levels have been determined to be relatively stable during the early postmortem period and similar to levels found in normal serum of living subjects...
May 13, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28497398/early-markers-of-myocardial-ischemia-from-the-experimental-model-to-forensic-pathology-cases-of-sudden-cardiac-death
#5
Sara Sabatasso, Milena Moretti, Patrice Mangin, Tony Fracasso
The goal of this study was to assess whether early markers of myocardial ischemia, identified in a previous experimental work, can be applied in forensic pathology cases of sudden, ischemic cardiac death. These markers include desphosphorylated connexin 43 (Cx43), JunB, TUNEL assay, myoglobin, and troponin T. Fourteen cases of sudden cardiac death with gross and/or histological signs of myocardial infarction and 14 cases of sudden cardiac death with signs of early ischemia at histology and positive immunoreactions for fibronectin and C5b-9 were investigated...
May 11, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28488000/58-cases-of-sexual-violence-bearing-forensic-interest-congruence-between-the-victim-s-report-and-the-data-from-laboratory-analyses
#6
Sarah Gino, Antonella Canavese, Beatrice Pattarino, Carlo Robino, Monica Omedei, Erica Albanese, Paola Castagna
The assistance provided by specialised healthcare personnel to victims of a sexual violence cannot focus just on the clinical intervention appropriate for the lesions suffered by the patient, but must also take legal and forensic needs into account. Anamnestic data represents a crucial step towards the finding of forensic evidence. Our retrospective study aims to analyse the congruence between verbal reports from abused women and the laboratory data to the end of identifying ways for enhancing the gathering of anamnestic data...
May 9, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28474172/age-estimation-during-the-blow-fly-intra-puparial-period-a-qualitative-and-quantitative-approach-using-micro-computed-tomography
#7
Daniel Martín-Vega, Thomas J Simonsen, Martina Wicklein, Martin J R Hall
Minimum post-mortem interval (minPMI) estimates often rely on the use of developmental data from blow flies (Diptera: Calliphoridae), which are generally the first colonisers of cadavers and, therefore, exemplar forensic indicators. Developmental data of the intra-puparial period are of particular importance, as it can account for more than half of the developmental duration of the blow fly life cycle. During this period, the insect undergoes metamorphosis inside the opaque, barrel-shaped puparium, formed by the hardening and darkening of the third instar larval cuticle, which shows virtually no external changes until adult emergence...
May 4, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28466125/effect-of-anticoagulation-therapy-on-drying-times-in-bloodstain-pattern-analysis
#8
Frank Ramsthaler, Ann-Katrin Kröll, Marcel Verhoff, Christoph G Birngruber, Mattias Kettner
In forensic case work, blood stain pattern analysis frequently aids in deducing the chain of actions or parts thereof taking place during an event leading to blood loss. Wiped single blood stains and/or groups of blood stains are seen at a majority of complex crime scenes. The appearance of wiped blood stains depends on droplet volume and stain age (as a function of blood viscosity and the degree of stain skeletonization) and characteristics of the stained surface (i.e., texture, temperature). Furthermore, based on the biochemical and biophysical properties of blood, not only the drying processes, but also complex coagulation cascades are relevant to the assessment of wiped blood stains...
May 2, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28466124/rapidly-mutating-y-str-analyses-of-compromised-forensic-samples
#9
Rashed Alghafri, Irena Zupanič Pajnič, Tomaž Zupanc, Jože Balažic, Pankaj Shrivastava
Rapidly mutating Y-chromosomal short tandem repeats (RM Y-STRs) were identified to improve differentiation of unrelated males and also to enable separating closely and distantly related males in human identity testing in forensic and other applications. RM-Yplex assay was developed as a single multiplex that is capable of simultaneously amplifying all currently known RM Y-STRs, and reproducibility and sensitivity testing were performed on reference samples. Additional analyses are necessary to test its suitability for analysing compromised forensic samples...
May 2, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28456839/hypothermia-provokes-hemorrhaging-in-various-core-muscle-groups-how-many-of-them-could-we-have-missed
#10
Lenka Zátopková, Petr Hejna, Cristian Palmiere, Grzegorz Teresiński, Martin Janík
The postmortem diagnosis of hypothermia remains problematic even in the era of molecular and digital diagnostic advances. Gross hemorrhages in iliopsoas muscles have been regarded as a helpful diagnostic sign in hypothermia fatalities; nevertheless, they have received marginal attention since their original description. The present study attempts to fill that void by examining occurrence, localization, and diagnostic significance of the bleeding into the core muscles as evidence of death due to hypothermia in a series comprising 51 consecutive hypothermia autopsy cases...
April 29, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28451818/a-mass-spectrometry-based-forensic-toolbox-for-imaging-and-detecting-biological-fluid-evidence-in-finger-marks-and-fingernail-scrapings
#11
Sathisha Kamanna, Julianne Henry, Nicolas H Voelcker, Adrian Linacre, K Paul Kirkbride
During a crime, biological material such as blood or vaginal fluid may become smeared on the fingers of the victim or suspect or trapped under their fingernails. The type of trapped fluid is extremely valuable forensic information. Furthermore, if either person touches an object at the crime scene with their 'contaminated' finger then a 'contaminated' finger mark may be deposited. Such marks have great value as they could identify not only who deposited the mark but also who they touched and which part of the body they touched...
April 27, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28444440/paradoxical-undressing-associated-with-subarachnoid-hemorrhage-in-a-non-hypothermia-case
#12
Emilienne Descloux, Kewin Ducrot, Maria Pia Scarpelli, Alexander Lobrinus, Cristian Palmiere
Paradoxical undressing is a phenomenon characterizing some fatal hypothermia cases. The victims, despite low environmental temperatures, paradoxically remove their clothes due to a sudden feeling of warmth. In this report, we describe a case of suspected paradoxical undressing in a non-hypothermia case. The victim, a 51-year-old Caucasian man, was found dead wearing only sneakers and socks. All other clothing was found in his car. Postmortem investigations allowed the hypothesis of hypothermia to be ruled out and revealed the presence of a ruptured cerebral aneurysm that caused a subarachnoid hemorrhage, the latter responsible for the death...
April 25, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28444439/back-to-the-future-part-2-post-mortem-assessment-and-evolutionary-role-of-the-bio-medicolegal-sciences
#13
REVIEW
Santo Davide Ferrara, Giovanni Cecchetto, Rossana Cecchi, Donata Favretto, Silke Grabherr, Takaki Ishikawa, Toshikazu Kondo, Massimo Montisci, Heidi Pfeiffer, Maurizio Rippa Bonati, Dina Shokry, Marielle Vennemann, Thomas Bajanowski
Part 2 of the review "Back to the Future" is dedicated to the evolutionary role of the bio-medicolegal sciences, reporting the historical profiles, the state of the art, and prospects for future development of the main related techniques and methods of the ancillary disciplines that have risen to the role of "autonomous" sciences, namely, Genetics and Genomics, Toxicology, Radiology, and Imaging, involved in historic synergy in the "post-mortem assessment," together with the mother discipline Legal Medicine, by way of its primary fundament, universally denominated as Forensic Pathology...
April 25, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28439696/back-to-the-future-part-1-the-medico-legal-autopsy-from-ancient-civilization-to-the-post-genomic-era
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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