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https://www.readbyqxmd.com/read/29791079/overexpression-of-tet3-in-donor-cells-enhances-goat-somatic-cell-nuclear-transfer-efficiency
#1
Chengquan Han, Ruizhi Deng, Tingchao Mao, Yan Luo, Biao Wei, Peng Meng, Lu Zhao, Qing Zhang, Fusheng Quan, Liu Jun, Yong Zhang
Ten-eleven translocation 3 (TET3) mediates active DNA demethylation of paternal genomes during mouse embryonic development. However, the mechanism of DNA demethylation in goat embryos remains unknown. In addition, aberrant DNA methylation reprogramming prevalently occurs in cloned embryos by somatic cell nuclear transfer (SCNT). In this study, we reported that TET3 is a key factor in DNA demethylation in goat pre-implantation embryos. Knockdown of Tet3 hindered DNA demethylation at 2-4-cell stage in goat embryos and decreased Nanog expression in blastocysts...
May 23, 2018: FEBS Journal
https://www.readbyqxmd.com/read/29791044/what-happens-to-offspring-when-parents-are-inbred-old-or-had-a-poor-start-in-life-interactions-between-multiple-causes-of-parental-effects
#2
Regina Vega-Trejo, Loeske E B Kruuk, Michael D Jennions, Megan L Head
Parental effects on offspring performance have been attributed to many factors such as parental age, size, and condition. However, we know little about how these different parental characteristics interact to determine parental effects, or the extent to which their effect on offspring depends on either the sex of the parent or that of the offspring. Here we experimentally tested for effects of variation in parents' early diet and inbreeding levels, as well as effects of parental age, and for potential interactive effects of these three factors on key aspects of offspring development in the mosquitofish (Gambusia holbrooki)...
May 23, 2018: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/29786868/cis-acting-allele-specific-expression-ase-differences-induced-by-alcohol-and-impacted-by-sex-as-well-as-parental-genotype-of-origin
#3
Chiao-Ling Lo, Lawrence Lumeng, Richard L Bell, Tiebing Liang, Amy C Lossie, Williams M Muir, Feng C Zhou
BACKGROUND: Alcohol use disorders (AUDs) are influenced by complex interactions between the genetics of the individual and their environment. We have previously identified hundreds of polygenic genetic variants between the selectively bred high and low alcohol drinking (HAD and LAD) rat lines. Here we report allele specific expression (ASE) differences, between the HAD2 and LAD2 rat lines. METHODS: The HAD2 and LAD2 rats which have been sequenced were reciprocally crossed to generate 10 litters of F1 progeny...
May 22, 2018: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/29772597/development-of-a-massively-parallel-sequencing-assay-for-investigating-sequence-polymorphisms-of-15-strs-in-a-chinese-northern-han-population
#4
Qing-Xia Zhang, Meng Yang, Ya-Jiao Pan, Jing Zhao, Bao-Wang Qu, Feng Cheng, Ya-Ran Yang, Zhang-Ping Jiao, Li Liu, Jiang-Wei Yan
Massively parallel sequencing (MPS) has been used in forensic genetics in recent years owing to several advantages, such as MPS can provide precise descriptions of the repeat allele structure and variation in the repeat-flanking regions, increasing the discriminating power among loci and individuals. However, it cannot be fully utilized unless sufficient population data is available for all loci. Thus, there is a pressing need to perform population studies providing a basis for the introduction of MPS into forensic practice...
May 17, 2018: Electrophoresis
https://www.readbyqxmd.com/read/29770608/north-african-mediterranean-hla-genetic-contribution-in-a-population-of-the-kidney-transplant-waiting-list-patients-of-canary-origin-gran-canaria
#5
J Martinez-Laso, A Ramirez-Puga, E Rivas-García, E Fernández-Tagarro, I Auyanet-Saavedra, R Guerra-Rodríguez, N Díaz-Novo, C García-Cantón
The peopling of the Canary Islands has been widely debated. The mitochondrial DNA and Y chromosome data support the idea of a Berber genetic origin coming from the North of Africa (maternal) and a later contribution of the Spanish invaders (paternal) . The frequencies of the HLA class II alleles from the Tenerife Island (another Canary Island) have previously been published, postulating a Berber and Atlantic/Iberian contributions to the current population. The HLA class I and class II allele frequencies, haplotype frequencies and phylogenetic comparisons were performed in 215 unrelated individuals from Gran Canaria Island (belonging to the kidney transplant waiting list), with at least three generations of ancestors from Canary Islands, in order to study the different ethnical HLA contributions to the genetic background of the Canary Islanders...
May 17, 2018: HLA
https://www.readbyqxmd.com/read/29756284/factors-associated-with-atxn2-cag-caa-repeat-intergenerational-instability-in-spinocerebellar-ataxia-type-2
#6
L E Almaguer-Mederos, J M L Mesa, Y González-Zaldívar, D Almaguer-Gotay, D Cuello-Almarales, R Aguilera-Rodríguez, N S Falcón, S Gispert, G Auburger, L Velázquez-Pérez
Spinocerebellar ataxia type 2 (SCA2) is a neurodegenerative disorder caused by the unstable expansion of a CAG/CAA repeat in the ATXN2 gene, which normally encodes 22 glutamines (Q22). A large study was conducted to characterize the CAG/CAA repeat intergenerational instability in SCA2 families. Large normal alleles (LNA, Q24-31) were significantly more unstable upon maternal transmissions. In contrast, expanded alleles (EA, Q32-750) were significantly more unstable during paternal transmissions, in correlation with repeat length...
May 14, 2018: Clinical Genetics
https://www.readbyqxmd.com/read/29745991/association-of-pre-eclampsia-with-sod2-ala16val-polymorphism-among-mother-father-infant-triads
#7
Zhong-Cheng Luo, Pierre Julien, Shu-Qin Wei, Francois Audibert, William D Fraser
OBJECTIVE: To determine whether pre-eclampsia is associated with polymorphisms in superoxide dismutase (SOD) genes among mother-father-infant triads. METHODS: We did this follow-up cohort study at 17 urban hospitals in Canada between October 1, 2008, and September 30, 2010. We recruited Canadian participants who had participated in the International Trial of Antioxidant Supplementation for the Prevention of Pre-eclampsia. Saliva specimens were collected for DNA extraction...
May 10, 2018: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29717964/an-introduction-to-nudge-science
#8
Ronald F White
Let's begin by addressing the most obvious question: given the vast number of books published on political science every year, why would the Association for Politics and the Life Sciences (APLS) and its journal Politics and the Life Sciences expend time, energy, and resources publishing a multiple-author analysis of a series of books that contain little (if anything) about the life sciences, Darwin, or evolution? The answer is that Cass R. Sunstein's recent research on "nudge science" provides an excellent opportunity for APLS to expand its commitment to interdisciplinarity, especially its long-standing interest in behavioral economics...
2018: Politics and the Life Sciences: the Journal of the Association for Politics and the Life Sciences
https://www.readbyqxmd.com/read/29693731/genetic-and-epigenetic-defects-at-the-gnas-locus-lead-to-distinct-patterns-of-skeletal-growth-but-similar-early-onset-obesity
#9
Patrick Hanna, Virginie Grybek, Guiomar Perez de Nanclares, Léa C Tran, Luisa de Sanctis, Francesca Elli, Javier Errea, Bruno Francou, Peter Kamenicky, Léa Linglart, Arrate Pereda, Anya Rothenbuhler, Daniele Tessaris, Susanne Thiele, Alessia Usardi, Ashley H Shoemaker, Marie-Laure Kottler, Harald Jüppner, Giovanna Mantovani, Agnès Linglart
Pseudohypoparathyroidism type 1A (PHP1A), pseudoPHP (PPHP), and PHP type 1B (PHP1B) are caused by maternal and paternal GNAS mutations, and abnormal methylation at maternal GNAS promoter(s), respectively. Adult PHP1A patients are reportedly obese and short, whereas most PPHP patients are born small. In addition to PTH resistance, PHP1A and PHP1B patients may display early-onset obesity. As early-onset and severe obesity and short stature are daily burdens for PHP1A patients, we aimed at improving knowledge on the contribution of the GNAS transcripts to fetal and postnatal growth and fat storage...
April 25, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29667373/heritability-estimates-from-genome-wide-relatedness-matrices-in-wild-populations-application-to-a-passerine-using-a-small-sample-size
#10
C Perrier, B Delahaie, A Charmantier
Genomic developments have empowered the investigation of heritability in wild populations directly from genome wide relatedness matrices (GRM). Such GRM based approaches can in particular be used to improve or substitute approaches based on social pedigree (PED-social). However, measuring heritability from GRM in the wild has not been widely applied yet, especially using small samples and in non-model species. Here, we estimated heritability for four quantitative traits (tarsus length, wing length, bill length and body mass), using PED-social, a pedigree corrected by genetic data (PED-corrected) and a GRM from a small sample (n = 494) of blue tits from natural populations in Corsica genotyped at nearly 50,000 filtered SNPs derived from RAD-seq...
April 17, 2018: Molecular Ecology Resources
https://www.readbyqxmd.com/read/29618100/new-legal-landscapes-re-constructing-the-boundaries-of-mental-capacity-law
#11
Beverley A Clough
This article explores the development of law and policy relating to mental capacity law, situating this within the context of the binaries that have driven this development. Whilst the story of this historical development is well worn, considering it through this lens allows some of the previously hidden problematic consequences of these binaries to come to the fore in our debates. The article will expose these issues through considering the binary between capacity and incapacity, and the interlinked binaries of empowerment/protection and autonomy/paternalism underpinning policies and debate in this area...
March 29, 2018: Medical Law Review
https://www.readbyqxmd.com/read/29603135/treatment-efficacy-for-idiopathic-recurrent-pregnancy-loss-a-systematic-review-and-meta-analyses
#12
Emma Rasmark Roepke, Margareta Hellgren, Ragnhild Hjertberg, Lennart Blomqvist, Leif Matthiesen, Emir Henic, Sujata Lalitkumar, Annika Strandell
INTRODUCTION: Medical treatment of women with idiopathic recurrent pregnancy loss is controversial. The objective was to assess the effects of different treatments on live birth rates and complications in women with unexplained recurrent pregnancy loss. MATERIAL AND METHODS: We searched Medline, Embase, the Cochrane Library and identified 1415 publications. This systematic review included 21 randomized controlled trials regarding acetylsalicylic acid, low-molecular-weight heparin, progesterone, intravenous immunoglobulin or leukocyte immune therapy in women with ≥3 consecutive miscarriages of unknown cause...
March 30, 2018: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29558850/respecting-the-privacy-of-hospitalized-patients-an-integrative-review
#13
Tayebeh Hasan Tehrani, Sadat Seyed Bagher Maddah, Masoud Fallahi-Khoshknab, Abbas Ebadi, Farahnaz Mohammadi Shahboulaghi, Mark Gillespie
BACKGROUND: Privacy is a complicated and obscure concept, which has special meanings in the healthcare environment; therefore, it is essential for healthcare providers to fully understand this concept. However, there is no universally accepted definition for this concept in the texts, and it has been interpreted differently, based on its application. AIM: To analyze and provide a clear and scientific definition for respect of privacy of hospitalized patients and identify the common aspects of this concept...
January 1, 2018: Nursing Ethics
https://www.readbyqxmd.com/read/29512835/childhood-asthma-and-smoking-exposures-before-conception-a-three-generational-cohort-study
#14
Lennart Bråbäck, Caroline J Lodge, Adrian J Lowe, Shyamali C Dharmage, David Olsson, Bertil Forsberg
BACKGROUND: Some human and animal studies have recently shown that maternal grandmother's smoking during pregnancy increases the risk of asthma in the grandchildren. We have investigated whether sex of the exposed parent and/or grandchild modifies the association between grandmaternal smoking and grandchild asthma. METHODS: We formed a cohort study based on linkage of national registries with prospectively collected data over three generations. Smoking habits in early pregnancy were registered since 1982 and purchases of prescribed medication since 2005...
March 7, 2018: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/29504459/a-new-shield-of-the-weak-continued-paternalism-of-domestic-violence-services-in-uruguay
#15
Allison Bloom
Drawing on ethnographic and historical research, this article illuminates the limitations of the Uruguayan domestic violence services system. In spite of how advocates in Uruguay successfully used a human rights platform to secure legislation and services, this system now faces significant critique. Using Iris Marion Young's work on the "logic of masculinist protection" and historical parallels in Uruguay's welfare system, I discuss how a paternalistic approach may be to blame. I highlight how this paternalism contributes to the paternalism that problematically underlies gendered violence-reinforcing rather than addressing oppressive ideologies and structures that impede improving conditions for women...
March 1, 2018: Violence Against Women
https://www.readbyqxmd.com/read/29502800/paternal-exposure-to-antirheumatic-drugs-what-physicians-should-know-review-of-the-literature
#16
REVIEW
M C Micu, M Ostensen, P M Villiger, R Micu, R Ionescu
Reproduction capacity and long-term preserved hormonal function are important aspects with big impacts on patients' quality of life. Updated information on the interaction between drug therapy and reproductive function is essential when discussing family planning with patients. Currently, limited data is published regarding paternal exposure to different medications. Thus, it may be a challenge for the practitioner to choose the right therapy for a young male patient. Therefore we reviewed the literature, for effects of antirheumatic drugs on male gonadal function with a focus on spermatogenesis and offspring...
January 11, 2018: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29476637/the-effects-of-parental-carbamazepine-and-gemfibrozil-exposure-on-sexual-differentiation-in-zebrafish-danio-rerio
#17
Kristine M Hammill, Shamaila Fraz, Abigail H Lee, Joanna Y Wilson
The effects of parental exposure to pharmaceuticals on sexual differentiation in F1 offspring were examined in zebrafish (Danio rerio). Adult zebrafish were exposed to 0 or 10 μg/L of carbamazepine or gemfibrozil for 6 wk and bred in pairwise crosses to generate 7 distinct lineages. Lineages were formed with both parents from the same treatment group or with only one parent exposed, to delineate between maternal and paternal effects. The F1 offspring from each lineage were reared in clean water and sampled at 45 and 60 d post fertilization (dpf)...
February 24, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29464731/progressive-osseous-heteroplasia-caused-by-a-mosaic-gnas-mutation
#18
LETTER
Arrate Pereda, Jose Maria Martos-Tello, Intza Garin, Javier Errea-Dorronsoro, Guiomar Perez de Nanclares
No abstract text is available yet for this article.
February 21, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29455472/double-digest-rad-sequencing-outperforms-microsatellite-loci-at-assigning-paternity-and-estimating-relatedness-a-proof-of-concept-in-a-highly-promiscuous-bird
#19
Derrick J Thrasher, Bronwyn G Butcher, Leonardo Campagna, Michael S Webster, Irby J Lovette
Information on genetic relationships among individuals is essential to many studies of the behaviour and ecology of wild organisms. Parentage and relatedness assays based on large numbers of single nucleotide polymorphism (SNP) loci hold substantial advantages over the microsatellite markers traditionally used for these purposes. We present a double-digest restriction site-associated DNA sequencing (ddRAD-seq) analysis pipeline that, as such, simultaneously achieves the SNP discovery and genotyping steps and which is optimized to return a statistically powerful set of SNP markers (typically 150-600 after stringent filtering) from large numbers of individuals (up to 240 per run)...
February 17, 2018: Molecular Ecology Resources
https://www.readbyqxmd.com/read/29406763/-surrogacy-in-maternity-a-depersonalising-human-relationship-phenomenology
#20
Antonio Casciano
Ethical and bioethical problems, which are typical of the practice of surrogate motherhood, refer to its protagonists: the couple that orders it, due to its demand to satisfy the desire of paternity and maternity and the promptness of having a female body to fulfill its aspirations; the expectant mother, and the physical and psychic repercussions coming from the role performed in the surrogacy contract, as well as the risks of manipulation and exploitation, related to her position; the baby and his right to grow counting on the certainty of his parental relationships and on the preservation of his emotional balance...
January 2018: Cuadernos de Bioética: Revista Oficial de la Asociación Española de Bioética y Ética Médica
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