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Kinship testing

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https://www.readbyqxmd.com/read/28334007/a-functional-variant-in-neph3-gene-confers-high-risk-of-renal-failure-in-primary-hematuric-glomerulopathies-evidence-for-predisposition-to-microalbuminuria-in-the-general-population
#1
Konstantinos Voskarides, Charalambos Stefanou, Myrtani Pieri, Panayiota Demosthenous, Kyriakos Felekkis, Maria Arsali, Yiannis Athanasiou, Dimitris Xydakis, Kostas Stylianou, Eugenios Daphnis, Giorgos Goulielmos, Petros Loizou, Judith Savige, Martin Höhne, Linus A Völker, Thomas Benzing, Patrick H Maxwell, Daniel P Gale, Mathias Gorski, Carsten Böger, Barbara Kollerits, Florian Kronenberg, Bernhard Paulweber, Michalis Zavros, Alkis Pierides, Constantinos Deltas
BACKGROUND: Recent data emphasize that thin basement membrane nephropathy (TBMN) should not be viewed as a form of benign familial hematuria since chronic renal failure (CRF) and even end-stage renal disease (ESRD), is a possible development for a subset of patients on long-term follow-up, through the onset of focal and segmental glomerulosclerosis (FSGS). We hypothesize that genetic modifiers may explain this variability of symptoms. METHODS: We looked in silico for potentially deleterious functional SNPs, using very strict criteria, in all the genes significantly expressed in the slit diaphragm (SD)...
2017: PloS One
https://www.readbyqxmd.com/read/28315050/forensic-use-of-y-chromosome-dna-a-general-overview
#2
REVIEW
Manfred Kayser
The male-specific part of the human Y chromosome is widely used in forensic DNA analysis, particularly in cases where standard autosomal DNA profiling is not informative. A Y-chromosomal gene fragment is applied for inferring the biological sex of a crime scene trace donor. Haplotypes composed of Y-chromosomal short tandem repeat polymorphisms (Y-STRs) are used to characterise paternal lineages of unknown male trace donors, especially suitable when males and females have contributed to the same trace, such as in sexual assault cases...
March 17, 2017: Human Genetics
https://www.readbyqxmd.com/read/28295030/plarmeb-integration-of-least-angle-regression-with-empirical-bayes-for-multilocus-genome-wide-association-studies
#3
J Zhang, J-Y Feng, Y-L Ni, Y-J Wen, Y Niu, C L Tamba, C Yue, Q Song, Y-M Zhang
Multilocus genome-wide association studies (GWAS) have become the state-of-the-art procedure to identify quantitative trait nucleotides (QTNs) associated with complex traits. However, implementation of multilocus model in GWAS is still difficult. In this study, we integrated least angle regression with empirical Bayes to perform multilocus GWAS under polygenic background control. We used an algorithm of model transformation that whitened the covariance matrix of the polygenic matrix K and environmental noise...
March 15, 2017: Heredity
https://www.readbyqxmd.com/read/28281323/demerelate-calculating-inter-individual-relatedness-for-kinship-analysis-based-on-co-dominant-diploid-genetic-markers-using-r
#4
Philipp Kraemer, Gabriele Gerlach
The Demerelate package offers algorithms to calculate different inter-individual relatedness measurements. Three different allele sharing indices, five pairwise weighted estimates of relatedness and four pairwise weighted estimates with sample size correction are implemented to analyze kinship structures within populations. Statistics are based on randomization tests; modeling relatedness coefficients by logistic regression, modeling relatedness with geographic distance by mantel correlation and comparing mean relatedness between populations using pairwise t-tests...
March 9, 2017: Molecular Ecology Resources
https://www.readbyqxmd.com/read/28276048/stable-and-fluctuating-social-preferences-and-implications-for-cooperation-among-female-bonobos-at-luikotale-salonga-national-park-drc
#5
Liza R Moscovice, Pamela Heidi Douglas, Laura Martinez-Iñigo, Martin Surbeck, Linda Vigilant, Gottfried Hohmann
OBJECTIVES: Female bonobos (Pan paniscus) are characterized as highly affiliative and cooperative, but few studies have quantified the strength and stability of female intra-sexual relationships or explored how variation in social relationships influences cooperation. We measure female social preferences, identify causes of variation in preferences, and test whether variation in social preferences predicts food sharing or coalitionary support. METHODS: Data were collected over 3 years from females in the Bompusa community at LuiKotale, DRC...
March 9, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28246934/forensic-characteristics-and-phylogenetic-analyses-of-the-chinese-yi-population-via-19-x-chromosomal-str-loci
#6
GuangLin He, Ye Li, Xing Zou, Ping Li, PengYu Chen, Feng Song, Tianzhen Gao, Miao Liao, Jing Yan, Jin Wu
The demographic characteristics and genetic polymorphism data of 56 Chinese nationalities or 31 administrative divisions in Chinese mainland have repeatedly been the genetic research hotspots. While most genetic studies focused on some particular Chinese populations based on autosomal or Y-chromosomal genetic markers, the forensic characteristics and phylogenetic analyses of the seventh largest Chinese population (Yi ethnicity) on the X-chromosomal genetic markers are scarce. Here, allele frequencies and forensic statistical parameters for 19 X-chromosomal short tandem repeat loci (DXS7424-DXS101, DXS6789-DXS6809, DXS7423-DXS10134, DXS10103-HPRTB-DXS10101, DXS10159-DXS10162-DXS10164, DXS10148-DXS10135-DXS8378, and DXS7132-DXS10079-DXS10074-DXS10075) of 331 Chinese Yi individuals were obtained...
February 28, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28243771/analysis-of-four-novel-x-chromosomal-short-tandem-repeats-within-71%C3%A2-kb-of-the-xp22-3-region
#7
Takeki Nishi, Kenji Fukui, Kimiharu Iwadate
DNA testing using X-chromosomal short tandem repeat (X-STR) polymorphisms has been used in maternity/paternity and complex kinship cases. Analyses of repeat sequences, surveys on racial statistics, and development of practical applications for DNA testing continue to be reported. In this study, we identified four novel tetranucleotide STR loci located in the X chromosome, which is the basis of X-STR research. These four tetranucleotide STRs were located within 71 kb of the chromosome Xp22.3 region. Using sequence analysis of the structure of repeat sequences, we identified simple repeat sequences of TAAA, CTTT, TATC, and GATA with rare insertions...
February 27, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28150355/evaluation-of-systematic-position-of-helicoprorodontids-and-chaeneids-ciliophora-litostomatea-an-attempt-to-break-long-branches-in-18s-rrna-gene-phylogenies
#8
Peter Vďačný, Matej Rataj
Phylogenetic position of some free-living litostomatean taxa has not been correctly determined because of long-branch artifacts in 18S rRNA gene trees. The main aim of this study was to test the effectiveness of various masking algorithms, tree-building techniques, binarization of DNA data as well as combining morphological and molecular data to eliminate long-branch attraction of two problematic groups, helicoprorodontids and chaeneids. Guidance and SlowFaster masking in a combination with PhyloBayesian tree construction erased the artifactual positions of helicoprorodontids and chaeneids...
February 1, 2017: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/28139166/moving-beyond-the-household-innovations-in-data-collection-on-kinship
#9
Sangeetha Madhavan, Shelley Clark, Donatien Beguy, Caroline W Kabiru, Mark Gross
Across settings, it has been shown that the co-residential household is an insufficient measure of family structure and support. However, it continues to be the primary means of population data collection. To address this problem, we developed a new instrument, the Kinship Support Tree (KST), to collect kinship structure and support data on co-residential and non-residential kin and tested it on a sample of 462 single mothers and their children in a slum community in Nairobi, Kenya. This instrument is unique in four important ways: (1) it is not limited to the co-residential household; (2) it distinguishes potential from functional kin; (3) it incorporates multiple geospatial measures; and (4) it collects data on kin relationships specifically for children...
March 2017: Population Studies
https://www.readbyqxmd.com/read/28101915/early-medieval-stone-lined-graves-in-southern-germany-analysis-of-an-emerging-noble-class
#10
Andreas Rott, Nils Turner, Ulrike Scholz, Kristin von Heyking, Franziska Immler, Joris Peters, Jochen Haberstroh, Michaela Harbeck
OBJECTIVES: Stone-lined graves, which first appear in Bavarian territory during the 7(th) century AD, are assumed to be tombs of emerging nobility. While previous research on stone-lined grave goods supports their status as elite burials, an important factor defining nobility-kinship-has not been examined so far. MATERIALS AND METHODS: Morphological analysis of the commingled skeletal remains of 21 individuals from three archaeological sites was carried out. Radiocarbon dating was conducted on these individuals to gain information on usage intervals of these graves...
January 19, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28101646/pedigree-based-relationship-inference-from-complex-dna-mixtures
#11
Guro Dørum, Navreet Kaur, Mario Gysi
We present a general method for analysing DNA mixtures involving relatives that accounts for dropout and drop-in, mutations, silent alleles and population substructure. Whether the aim is to identify the contributors to a mixture who may be related, or to determine the relationship between individuals based on a DNA mixture, both types of problems can be handled by the method and software presented here. We focus on the latter scenario, motivated by non-invasive prenatal paternity testing where the profile of the child is available only in the form of a mixture with the mother's profile...
January 19, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28101645/forensic-parameters-of-19-x-str-polymorphisms-in-two-chinese-populations
#12
Chuncao Deng, Feng Song, Jienan Li, Yi Ye, Lushun Zhang, Weibo Liang, Haibo Luo, Yingbi Li
Application of X-STRs as complements of autosomal STR application in the forensic genetics has become a tendency for kinship testing, especially in deficiency paternity cases. Recently, a novel kit of 19 X-STR loci was developed, which permitted the analysis of 19 STR in the same PCR reaction, and these markers can be clustered into seven groups for the physical linkage. The objective of this study was to evaluate the allele and haplotype diversity of 19 X-STR loci in the Uygur (n = 220) and Tibetan nationality (n = 270) and to estimate the usefulness for complex kinship analysis...
January 18, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28089514/reproductive-conflict-and-the-evolution-of-menopause-in-killer-whales
#13
Darren P Croft, Rufus A Johnstone, Samuel Ellis, Stuart Nattrass, Daniel W Franks, Lauren J N Brent, Sonia Mazzi, Kenneth C Balcomb, John K B Ford, Michael A Cant
Why females of some species cease ovulation prior to the end of their natural lifespan is a long-standing evolutionary puzzle [1-4]. The fitness benefits of post-reproductive helping could in principle select for menopause [1, 2, 5], but the magnitude of these benefits appears insufficient to explain the timing of menopause [6-8]. Recent theory suggests that the cost of inter-generational reproductive conflict between younger and older females of the same social unit is a critical missing term in classical inclusive fitness calculations (the "reproductive conflict hypothesis" [6, 9])...
January 23, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28089226/-coping-and-subjective-burden-in-primary-caregivers-of-dependent-elderly-relatives-in-andalusia-spain
#14
Margarita Pérez-Cruz, M Ángeles Muñoz-Martínez, Laura Parra-Anguita, Rafael Del-Pino-Casado
PURPOSE: To analyse the relationship between the type of coping and subjective burden in caregivers of dependent elderly relatives in Andalusia (Spain). DESIGN: Cross-sectional study. LOCATION: Primary Health Care (autonomous community of Andalusia, Spain). PARTICIPANTS: A convenience sample of 198 primary caregivers of dependent elderly relatives. KEY MEASUREMENTS: Coping (Brief COPE), subjective burden (caregiver stress index), objective burden (functional capacity [Barthel Index], cognitive impairment [Pfeiffer Test], behavioural problems of the care recipient [Neuropsychiatric Inventory], and caregivers' dedication to caring), gender and kinship...
January 11, 2017: Atencion Primaria
https://www.readbyqxmd.com/read/28050399/the-effect-of-consanguineous-marriage-on-mental-health-among-the-students-of-the-shahrekord-university-of-medical-sciences
#15
Maryam Hosseinpour, Fatemeh Deris, Kamal Solati-Dehkordi, Sheida Heidari-Soreshjani, Negar Karimi, Hossein Teimori
INTRODUCTION: In Iran, after unintentional accidents, mental health problems are the second leading burden of disease. Consanguineous marriage is very common in Iran and the association between parental consanguinity and mental health is an important issue that has not yet been studied sufficiently in Iran. AIM: To investigate the effect of consanguinity and the degree of relationship on different levels of mental health. MATERIALS AND METHODS: In this cross-sectional study, conducted in the Shahrekord University of Medical Sciences, two groups of students were enrolled...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28035273/does-cooperation-mean-kinship-between-spatially-discrete-ant-nests
#16
Duncan S Procter, Joan E Cottrell, Kevin Watts, Stuart W A'Hara, Michael Hofreiter, Elva J H Robinson
Eusociality is one of the most complex forms of social organization, characterized by cooperative and reproductive units termed colonies. Altruistic behavior of workers within colonies is explained by inclusive fitness, with indirect fitness benefits accrued by helping kin. Members of a social insect colony are expected to be more closely related to one another than they are to other conspecifics. In many social insects, the colony can extend to multiple socially connected but spatially separate nests (polydomy)...
December 2016: Ecology and Evolution
https://www.readbyqxmd.com/read/28027654/self-resemblance-and-social-rejection
#17
Carly A Parsons, Jill A Jacobson, D B Krupp
Humans perceive and treat self-resembling others in ways that suggest that self-resemblance is a cue of kinship. However, we know little about how individuals respond to treatment by self-resembling others. Here we approach this problem by connecting facial self-resemblance to social rejection. Given that individuals should expect to cooperate with kin, we hypothesized that (1) social inclusion by perceived kin should elicit lesser feelings of rejection and (2) social exclusion by perceived kin should elicit greater feelings of rejection relative to inclusion or exclusion, respectively, by nonkin...
October 2016: Evolutionary Psychology: An International Journal of Evolutionary Approaches to Psychology and Behavior
https://www.readbyqxmd.com/read/28024842/congenital-myasthenic-syndrome-in-israel-genetic-and-clinical-characterization
#18
Sharon Aharoni, Menachem Sadeh, Yehuda Shapira, Simon Edvardson, Muhannad Daana, Talia Dor-Wollman, Aviva Mimouni-Bloch, Ayelet Halevy, Rony Cohen, Liora Sagie, Zohar Argov, Malcolm Rabie, Ronen Spiegel, Ilana Chervinsky, Naama Orenstein, Andrew G Engel, Yoram Nevo
The objective of the study was to evaluate the epidemiology of patients with congenital myasthenic syndrome (CMS) in Israel. Targeted mutation analysis was performed based on the clinical symptoms and electrophysiological findings for known CMS. Additional specific tests were performed in patients of Iranian and/or Iraqi Jewish origin. All medical records were reviewed and clinical data, genetic mutations and outcomes were recorded. Forty-five patients with genetic mutations in known CMS genes from 35 families were identified...
February 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/27994531/kinship-testing-based-on-snps-using-microarray-system
#19
Sohee Cho, Hee Jin Seo, Jihyun Lee, Hyung Jin Yu, Soong Deok Lee
BACKGROUND: Kinship testing using biallelic SNP markers has been demonstrated to be a promising approach as a supplement to standard STR typing, and several systems, such as pyrosequencing and microarray, have been introduced and utilized in real forensic cases. The Affymetrix microarray containing 169 autosomal SNPs developed for forensic application was applied to our practical case for kinship analysis that had remained inconclusive due to partial STR profiles of degraded DNA and possibility of inbreeding within the population...
November 2016: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/27990039/foster-care-placement-change-the-role-of-family-dynamics-and-household-composition
#20
Jeffrey Waid, Brianne H Kothari, Lew Bank, Bowen McBeath
Sibling co-placement and kinship care have each been shown to protect against the occurrence of placement change for youth in substitute care. However, little is known about the effects of different combinations of sibling placement and relative caregiver status on placement change. Nor does the field fully understand how family dynamics may differ in these households. Utilizing data from the Supporting Siblings in Foster Care study, this paper examines family dynamics across four typologies of living composition, and tests the effects of living composition membership on the odds of experiencing a placement change over an 18-month period of time...
September 2016: Children and Youth Services Review
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