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https://www.readbyqxmd.com/read/28641304/hyperemesis-gravidarum-a-review-of-recent-literature
#1
Viktoriya London, Stephanie Grube, David M Sherer, Ovadia Abulafia
BACKGROUND: In the United States, hyperemesis gravidarum is the most common cause of hospitalization during the first half of pregnancy and is second only to preterm labor for hospitalizations in pregnancy overall. In approximately 0.3-3% of pregnancies, hyperemesis gravidarum is prevalent and this percentage varies on account of different diagnostic criteria and ethnic variation in study populations. Despite extensive research in this field, the mechanism of the disease is largely unknown...
June 23, 2017: Pharmacology
https://www.readbyqxmd.com/read/28641282/health-related-genetic-direct-to-consumer-tests-in-the-german-setting-the-available-offer-and-the-potential-implications-for-a-solidarily-financed-health-care-system
#2
Marika Plöthner, Mike Klora, Daniel Rudolph, Johann-Matthias Graf von der Schulenburg
BACKGROUND: The global genetic direct-to-consumer (DTC) market will reach a volume of USD 230 billion in 2018. The expenditures for this genetic analysis are borne by the customer, whereas consequential costs may arise for a solidarily financed system. In a first step, it is essential to gain an overview of the currently available offer in the German setting. METHODS: In April 2016, we conducted a systematic internet search in the Google search engine. In November 2016, we updated the information of the webpages in terms of country, language, types of health-related tests, additional offer of non-health-related DTC test, information about sensitivity and specificity, certification and accreditation, costs as well as reference to German Act on Genetic Testing...
June 23, 2017: Public Health Genomics
https://www.readbyqxmd.com/read/28641149/thyroid-autoimmunity-in-bipolar-disorder-a-systematic-review
#3
REVIEW
Margherita Barbuti, André F Carvalho, Cristiano A Köhler, Andrea Murru, Norma Verdolini, Giovanni Guiso, Ludovic Samalin, Michael Maes, Brendon Stubbs, Giulio Perugi, Eduard Vieta, Isabella Pacchiarotti
BACKGROUND: Accumulating evidence points to the pathophysiological relevance between immune dysfunction and mood disorders. High rates of thyroid dysfunction have been found in patients with bipolar disorder (BD), compared to the general population. A systematic review of the relationship between BD and thyroid autoimmunity was performed. METHODS: Pubmed, EMBASE and PsycINFO databases were searched up till January 28th, 2017. This review has been conducted according to the PRISMA statements...
June 13, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28641133/abc-transporters-in-megakaryopoiesis-and-platelet-activity
#4
REVIEW
Wei Wang, Lorena Buitrago, Ying Wang
ATP-binding cassette (ABC) is a family of transporters that facilitates the translocation of substrates across cell membrane using its ATPase subunit. These transporters have key roles in multidrug resistance, lipid homeostasis, antigen processing, immunity, cell proliferation and hematopoiesis. Some ABC transporters are selectively expressed on megakaryocyte progenitor, megakaryocyte and its cellular fragment platelet. However, the role of ABC transporters in hemostasis and thrombosis were not well explored until recently...
June 14, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28640892/novel-resistance-to-cydia-pomonella-granulovirus-cpgv-in-codling-moth-shows-autosomal-and-dominant-inheritance-and-confers-cross-resistance-to-different-cpgv-genome-groups
#5
Annette J Sauer, Eva Fritsch, Karin Undorf-Spahn, Petr Nguyen, Frantisek Marec, David G Heckel, Johannes A Jehle
Commercial Cydia pomonella granulovirus (CpGV) products have been successfully applied to control codling moth (CM) in organic and integrated fruit production for more than 30 years. Since 2005, resistance against the widely used isolate CpGV-M has been reported from different countries in Europe. The inheritance of this so-called type I resistance is dominant and linked to the Z chromosome. Recently, a second form (type II) of CpGV resistance in CM was reported from a field population (NRW-WE) in Germany. Type II resistance confers reduced susceptibility not only to CpGV-M but to most known CpGV isolates and it does not follow the previously described Z-linked inheritance of type I resistance...
2017: PloS One
https://www.readbyqxmd.com/read/28640885/phylogeography-of-a-tough-rock-survivor-in-european-dry-grasslands
#6
Daniela Listl, Peter Poschlod, Christoph Reisch
Phylogeographic analyses of plants in Europe have revealed common glacial refugia and migration routes for several trees and herbs with arctic-alpine distributions. The postglacial histories of dry grassland species in central Europe have rarely been analyzed, even though the extremely species-rich habitat is threatened. Sedum album (Crassulaceae) is a common inhabitant of rocky sites in central European dry grasslands. We inferred the phylogeographic history of S. album over its distribution range in Europe...
2017: PloS One
https://www.readbyqxmd.com/read/28640878/genetic-loci-associated-with-coronary-artery-disease-harbor-evidence-of-selection-and-antagonistic-pleiotropy
#7
Sean G Byars, Qin Qin Huang, Lesley-Ann Gray, Andrew Bakshi, Samuli Ripatti, Gad Abraham, Stephen C Stearns, Michael Inouye
Traditional genome-wide scans for positive selection have mainly uncovered selective sweeps associated with monogenic traits. While selection on quantitative traits is much more common, very few signals have been detected because of their polygenic nature. We searched for positive selection signals underlying coronary artery disease (CAD) in worldwide populations, using novel approaches to quantify relationships between polygenic selection signals and CAD genetic risk. We identified new candidate adaptive loci that appear to have been directly modified by disease pressures given their significant associations with CAD genetic risk...
June 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28640870/dominance-of-community-associated-methicillin-resistant-staphylococcus-aureus-clones-in-a-maternity-hospital
#8
Edet E Udo, Noura Al-Sweih
BACKGROUND: Methicillin- resistant Staphylococcus aureus (MRSA) is a major pathogen causing healthcare- and community- acquired infections. The purpose of this study was to characterize MRSA isolated at the Maternity Hospital between 2006 and 2011 for their genetic relatedness. MATERIALS AND METHODS: The MRSA isolates were investigated using a combination of antibiogram, Staphylococcal chromosome cassette mec (SCCmec) and spa typing to determine their relatedness to MRSA isolated in other Kuwait hospitals...
2017: PloS One
https://www.readbyqxmd.com/read/28640841/a-sorghum-sorghum-bicolor-mutant-with-altered-carbon-isotope-ratio
#9
Govinda Rizal, Shanta Karki, Vivek Thakur, Samart Wanchana, Hugo Alonso-Cantabrana, Jacque Dionora, John E Sheehy, Robert Furbank, Susanne von Caemmerer, William Paul Quick
Recent efforts to engineer C4 photosynthetic traits into C3 plants such as rice demand an understanding of the genetic elements that enable C4 plants to outperform C3 plants. As a part of the C4 Rice Consortium's efforts to identify genes needed to support C4 photosynthesis, EMS mutagenized sorghum populations were generated and screened to identify genes that cause a loss of C4 function. Stable carbon isotope ratio (δ13C) of leaf dry matter has been used to distinguishspecies with C3 and C4 photosynthetic pathways...
2017: PloS One
https://www.readbyqxmd.com/read/28637257/effects-of-a-chromosome-9-quantitative-trait-locus-for-ascites-on-economically-important-traits-in-broilers
#10
Sriram Krishna, Katy J Tarrant, Douglas D Rhoads, Nicholas B Anthony
A quantitative trait locus on chromosome 9 was previously shown to be associated with ascites in multiple experimental and commercial populations. A study to evaluate the association of the QTL, based on variable number tandem repeat genotypes, with economically important traits was carried out on a commercial male elite line. Results indicated the highest fat and the lowest fillet mean were associated with the most resistant ascites genotype. All other traits measured for this genotype showed no trend towards positive or negatively impacting production values...
June 15, 2017: Poultry Science
https://www.readbyqxmd.com/read/28637098/uncovering-the-contribution-of-epigenetics-to-plant-phenotypic-variation-in-mediterranean-ecosystems
#11
REVIEW
F Balao, O Paun, C Alonso
Epigenetic signals can affect plant phenotype and fitness and be stably inherited across multiple generations. Epigenetic regulation plays a key role in the mechanisms of plant response to the environment without altering DNA sequence. As plants cannot adapt behaviourally or migrate instantly, such dynamic epigenetic responses may be particularly crucial for survival of plants within changing and challenging environments, such as the Mediterranean-Type Ecosystems (MTEs). These ecosystems suffer recurrent stressful events (warm and dry summers with associated fire regimes) that have selected for plants with similar phenotypic complex traits, resulting in similar vegetation growth forms...
June 21, 2017: Plant Biology
https://www.readbyqxmd.com/read/28637002/associations-of-high-altitude-polycythemia-with-polymorphisms-in-epha2-and-agt-in-chinese-han-and-tibetan-populations
#12
Lijun Liu, Yao Zhang, Zhiying Zhang, Yiduo Zhao, Xiaowei Fan, Lifeng Ma, Yuan Zhang, Haijin He, Longli Kang
High altitude polycythemia (HAPC) refers to the long-term living in the plateau of the hypoxia environment is not accustomed to cause red blood cell hyperplasia. The pathological changes are mainly the various organs and tissue congestion, blood stasis and hypoxia damage. Although chronic hypoxia is the main cause of HAPC, the related molecular mechanisms remain largely unclear. This study aims to explore the genetic basis of HAPC in the Chinese Han and Tibetan populations. We enrolled 100 patients (70 Han, 30 Tibetan) with HAPC and 100 healthy control subjects (30 Han, 70 Tibetan)...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636804/new-insights-into-global-biogeography-population-structure-and-natural-selection-from-the-genome-of-the-epipelagic-copepod-oithona
#13
Mohammed-Amin Madoui, Julie Poulain, Kevin Sugier, Marc Wessner, Benjamin Noel, Leo Berline, Karine Labadie, Astrid Cornils, Leocadio Blanco-Bercial, Lars Stemmann, Jean-Louis Jamet, Patrick Wincker
In the epipelagic ocean the genus Oithona is considered as one of the most abundant and widespread copepods and plays an important role in the trophic food web. Despite its ecological importance, little is known about the Oithona and cyclopoid copepods genomics. Therefore, we sequenced, assembled and annotated the genome of Oithona nana. The comparative genomic analysis integrating available copepod genomes highlighted the expansions of genes related to stress response, cell differentiation, and development, including genes coding Lin12-Notch-Repeat (LNR) domain proteins...
June 21, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28636785/sperm-competition-suppresses-gene-drive-among-experimentally-evolving-populations-of-house-mice
#14
Andri Manser, Anna K Lindholm, Leigh W Simmons, Renée C Firman
Drive genes are genetic elements that manipulate the 50% ratio of Mendelian inheritance in their own favour, allowing them to rapidly propagate through populations. The action of drive genes is often hidden, making detection and identification inherently difficult. Yet drive genes can have profound evolutionary consequences for the populations that harbour them: most known drivers are detrimental to organismal gamete development, reproduction and survival. In this study, we identified the presence of a well-known drive gene called t haplotype post-hoc in eight replicate selection lines of house mice that had been evolving under enforced monandry or polyandry for 20 generations...
June 21, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28636766/association-of-tnfsf13-polymorphisms-with-iga-nephropathy-in-chinese-han-population
#15
Zhong Zhong, Shao-Zhen Feng, Ri-Cong Xu, Zhi-Jian Li, Feng-Xian Huang, Pei-Ran Yin, Wen-Ting Liu, Meng Wang, Dian-Chun Shi, Qian Zhou, Xue-Qing Yu, Ming Li
BACKGROUND: Our previous genome-wide association study (GWAS) of IgA nephropathy (IgAN) in Chinese Han population suggested that TNFSF13 gene may be a novel susceptibility gene for IgAN. In this study, we aim to further evaluate the associations of single-nucleotide polymorphisms (SNPs) and expression level of TNFSF13 gene with the risk and clinical parameters of IgAN. METHODS: Six candidate SNPs were selected for genotyping by Sequenom MassARRAY iPLEX in 1000 IgAN cases and 1000 controls...
June 21, 2017: Journal of Gene Medicine
https://www.readbyqxmd.com/read/28636645/genetic-susceptibility-in-juvenile-myoclonic-epilepsy-systematic-review-of-genetic-association-studies
#16
Bruna Priscila Dos Santos, Chiara Rachel Maciel Marinho, Thalita Ewellyn Batista Sales Marques, Layanne Kelly Gomes Angelo, Maísa Vieira da Silva Malta, Marcelo Duzzioni, Olagide Wagner de Castro, João Pereira Leite, Fabiano Timbó Barbosa, Daniel Leite Góes Gitaí
BACKGROUND: Several genetic association investigations have been performed over the last three decades to identify variants underlying Juvenile Myoclonic Epilepsy (JME). Here, we evaluate the accumulating findings and provide an updated perspective of these studies. METHODOLOGY: A systematic literature search was conducted using the PubMed, Embase, Scopus, Lilacs, epiGAD, Google Scholar and Sigle up to February 12, 2016. The quality of the included studies was assessed by a score and classified as low and high quality...
2017: PloS One
https://www.readbyqxmd.com/read/28636543/high-grade-glioma-in-very-young-children-a-rare-and-particular-patient-population
#17
REVIEW
Moatasem El-Ayadi, Marc Ansari, Dominik Sturm, Gerrit H Gielen, Monika Warmuth-Metz, Christof M Kramm, Andre O von Bueren
In the past years, pediatric high-grade gliomas (HGG) have been the focus of several research articles and reviews, given the recent discoveries on the genetic and molecular levels pointing out a clinico-biological uniqueness of the pediatric population compared to their adult counterparts with HGG. On the other hand, there are only scarce data about HGG in very young children (below 3 years of age at diagnosis) due to their relatively low incidence. However, the few available data suggest further distinction of this very rare subgroup from older children and adults at several levels including their molecular and biological characteristics, their treatment management, as well as their outcome...
June 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636541/methylenetetrahydrofolate-reductase-c677t-polymorphism-and-the-risks-of-polycystic-ovary-syndrome-an-updated-meta-analysis-of-14-studies
#18
Lihong Wang, Wenting Xu, Caihong Wang, Mengyu Tang, Yujia Zhou
Some studies have reported an association between the Methylenetetrahydrofolate reductase (MTHFR) C667T genetic variant and risk of polycystic ovary syndrome (PCOS), although the results remain controversial. A systematic search was conducted on PubMed, Web of Science, EMBASE, Ovid, Chinese National Knowledge Databases and WanFang databases with relevant keywords. Fourteen studies of sixteen distinct populations involving 1478 PCOS cases and used to conduct a meta-analysis. The T allele was not significantly associated with increased risk of PCOS [OR: 1...
June 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28635968/sex-biased-dispersal-creates-spatial-genetic-structure-in-a-parthenogenetic-ant-with-a-dependent-lineage-reproductive-system
#19
A Kuhn, D Bauman, H Darras, S Aron
Reproduction and dispersal are key aspects of species life history that influence spatial genetic structure in populations. Several ant species in the genus Cataglyphis have evolved a unique breeding system in which new reproductives (that is, queens and males) are produced asexually by parthenogenesis; in contrast, non-reproductives (that is, workers) are produced via sexual reproduction by mates from distinct genetic lineages. We investigated how these two coexisting reproductive methods affect population-level spatial genetic structure using the ant Cataglyphis mauritanica as a model...
June 21, 2017: Heredity
https://www.readbyqxmd.com/read/28635966/testing-models-of-refugial-isolation-colonization-and-population-connectivity-in-two-species-of-montane-salamanders
#20
S M Rovito, S D Schoville
Pleistocene glaciations have profoundly affected patterns of genetic diversity within many species. Temperate alpine organisms likely experienced dramatic range shifts, given that much of their habitat was glaciated during this time. While the effects of glaciations are relatively well understood, the spatial locations of refugia and processes that gave rise to current patterns of diversity are less well known. We use a microsatellite data set to test hypotheses of population connectivity and refugial isolation in the web-toed salamanders (Hydromantes) of the Sierra Nevada...
June 21, 2017: Heredity
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