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https://www.readbyqxmd.com/read/29353452/random-regression-analysis-for-body-weights-and-main-morphological-traits-in-genetically-improved-farmed-tilapia-oreochromis-niloticus
#1
Jie He, Yunfeng Zhao, Jingli Zhao, Jin Gao, Pao Xu, Runqing Yang
To genetically analyse growth traits in genetically improved farmed tilapia (GIFT), the body weight (BWE) and main morphological traits, including body length (BL), body depth (BD), body width (BWI), head length (HL) and length of the caudal peduncle (CPL), were measured six times in growth duration on 1451 fish from 45 mixed families of full and half sibs. A random regression model (RRM) was used to model genetic changes of the growth traits with days of age and estimate the heritability for any growth point and genetic correlations between pairwise growth points...
January 20, 2018: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29352662/distinct-progression-patterns-of-brain-disease-in-infantile-and-juvenile-gangliosidoses-volumetric-quantitative-mri-study
#2
Igor Nestrasil, Alia Ahmed, Josephine M Utz, Kyle Rudser, Chester B Whitley, Jeanine R Jarnes-Utz
BACKGROUND: GM1-gangliosidosis and GM2-gangliosidosis (Tay-Sachs disease and Sandhoff disease) are unrelenting heritable neurodegenerative conditions of lysosomal ganglioside accumulation. Although progressive brain atrophy is characteristic, longitudinal quantification of specific brain structures has not been systematically studied. OBJECTIVES: The goal of this longitudinal study has been to quantify and track brain MRI volume changes, including specific structure volume changes, at different times in disease progression of childhood gangliosidoses, and to explore quantitative brain MRI volumetry (qMRI) as a non-invasive marker of disease progression for future treatment trials...
December 20, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/29352136/gphenovision-a-ground-mobile-system-with-multi-modal-imaging-for-field-based-high-throughput-phenotyping-of-cotton
#3
Yu Jiang, Changying Li, Jon S Robertson, Shangpeng Sun, Rui Xu, Andrew H Paterson
Imaging sensors can extend phenotyping capability, but they require a system to handle high-volume data. The overall goal of this study was to develop and evaluate a field-based high throughput phenotyping system accommodating high-resolution imagers. The system consisted of a high-clearance tractor and sensing and electrical systems. The sensing system was based on a distributed structure, integrating environmental sensors, real-time kinematic GPS, and multiple imaging sensors including RGB-D, thermal, and hyperspectral cameras...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29351172/a-systematic-review-and-meta-analysis-of-genetic-risk-factors-for-neuropathic-pain
#4
Abirami Veluchamy, Harry L Hébert, Weihua Meng, Colin N A Palmer, Blair H Smith
Neuropathic pain (NP) is an increasingly common chronic pain state and a major health burden, affecting approximately 7-10% of the general population. Emerging evidence suggests that genetic factors could partially explain individual susceptibility to NP and the estimated heritability in twins is 37%. The aim of this study was to systematically review and summarize the studies in humans that have investigated the influence of genetic factors associated with NP. We conducted a comprehensive literature search and performed meta-analyses of all the potential genetic variants associated with NP...
January 18, 2018: Pain
https://www.readbyqxmd.com/read/29348298/a-review-of-prostate-cancer-genome-wide-association-studies-gwas
#5
Sarah Benafif, Zsofia Kote-Jarai, Rosalind A Eeles
Prostate cancer (PrCa) is the commonest cancer in men in Europe and the USA. The genetic heritability of PrCa is contributed to by both rarely occurring genetic variants with higher penetrance and moderate to commonly occurring variants conferring lower risks. The number of identified variants belonging to the latter category has increased dramatically in the last 10 years with the development of the genome wide association study (GWAS) and the collaboration of international consortia that have led to the sharing of large-scale genotyping data...
January 18, 2018: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29346177/no-association-between-foxp2-rs10447760-and-schizophrenia-in-a-replication-study-of-the-chinese-han-population
#6
Jiajun Yin, Ningren Jia, Yansong Liu, Chunhui Jin, Fuquan Zhang, Shui Yu, Jun Wang, Jianmin Yuan
BACKGROUND: Schizophrenia (SCZ) is a severe and heritable psychiatric disorder, and previous studies have shown that regulation of the forkhead-box P2 gene (FOXP2) may play a role in schizophrenia. Moreover, just a few studies have identified a single nucleotide polymorphism (SNP) rs10447760 within the gene that was a risk variant for SCZ in the Chinese Han population. METHODS: To examine whether the variant in the FOXP2 gene contributes toward SCZ susceptibility, we carried out an association analysis of the SNP rs10447760 of the FOXP2 gene in a case-control study (1405 cases, 1137 controls) from China...
January 17, 2018: Psychiatric Genetics
https://www.readbyqxmd.com/read/29346036/genetics-the-rearing-environment-and-the-intergenerational-transmission-of-divorce-a-swedish-national-adoption-study
#7
Jessica E Salvatore, Sara Larsson Lönn, Jan Sundquist, Kristina Sundquist, Kenneth S Kendler
We used classical and extended adoption designs in Swedish registries to disentangle genetic and rearing-environment influences on the intergenerational transmission of divorce. In classical adoption analyses, adoptees ( n = 19,715) resembled their biological parents, rather than their adoptive parents, in their history of divorce. In extended adoption analyses, offspring ( n = 82,698) resembled their not-lived-with fathers and their lived-with mothers. There was stronger resemblance to lived-with mothers, providing indirect evidence of rearing-environment influences on the intergenerational transmission of divorce...
January 1, 2018: Psychological Science
https://www.readbyqxmd.com/read/29345160/inherited-forms-of-bladder-cancer-a-review-of-lynch-syndrome-and-other-inherited-conditions
#8
Aaron Phelan, Antonio Lopez-Beltran, Rodolfo Montironi, Shaobo Zhang, Maria R Raspollini, Monica Cheng, Hristos Z Kaimakliotis, Michael O Koch, Liang Cheng
Environmental factors that play a role in the urothelial carcinogenesis have been well characterized. Current research is continuously exploring potential heritable forms of bladder cancer. Lynch syndrome is a well-known inheritable disease that increases the risk for a variety of cancers, including urothelial carcinomas. Screening of patients with known Lynch syndrome is important to evaluate for development of new primary tumors. Further study may provide more information on what level of follow-up each patient needs...
January 18, 2018: Future Oncology
https://www.readbyqxmd.com/read/29345075/genetic-analyses-of-linear-profiling-data-on-3-year-old-swedish-warmblood-horses
#9
Å Viklund, S Eriksson
A linear profiling protocol was introduced in 2013 at tests for 3-year-old Swedish Warmblood horses. In this protocol, traits are subjectively described on a nine-point linear scale from one biological extreme to the other. This complements the traditional scoring where horses are evaluated in relation to the breeding objective. This study aimed to investigate the suitability of the linear information for genetic evaluation. Data on 22 conformation traits, 17 movement traits, 14 jumping traits and one temperament trait from 3,410 horses tested between 2013 and 2016 were analysed using an animal model...
February 2018: Journal of Animal Breeding and Genetics, Zeitschrift Für Tierzüchtung und Züchtungsbiologie
https://www.readbyqxmd.com/read/29344484/adenocarcinoma-of-the-retinal-pigment-epithelium-arising-in-conjunction-with-late-recurrence-and-systemic-metastasis-of-retinoblastoma
#10
Kelsey Roelofs, Femida Kherani, Laurie Russell, J Godfrey Heathcote, Ezekiel Weis
In 1974, an 8-month-old male was diagnosed with bilateral retinoblastoma. His left eye was enucleated, while the right eye was salvaged with a combination of external beam radiotherapy (4,000 cGy total, divided in 20 fractions) and retinal laser treatment. Thirty-nine years later, he developed intraocular recurrence of retinoblastoma with extrascleral spread. Histopathological examination also identified a second distinct malignancy, retinal pigment epithelium adenocarcinoma, arising in continuity with the retinoblastoma...
November 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29344330/developments-in-rare-bone-diseases-and-mineral-disorders
#11
REVIEW
Siobhan Bacon, Rachel Crowley
In the last decade, there have been a number of significant advances made in the field of rare bone diseases. In this review, we discuss the expansion of the classification system for osteogenesis imperfecta (OI) and the resultant increase in therapeutic options available for management of OI. Bisphosphonates remain the most widely used intervention for OI, although the effect on fracture rate reduction is equivocal. We review the other therapies showing promising results, including denosumab, teriparatide, sclerostin, transforming growth factor β inhibition and gene targeted approaches...
January 2018: Therapeutic Advances in Chronic Disease
https://www.readbyqxmd.com/read/29343764/genome-wide-association-study-in-79-366-european-ancestry-individuals-informs-the-genetic-architecture-of-25-hydroxyvitamin-d-levels
#12
Xia Jiang, Paul F O'Reilly, Hugues Aschard, Yi-Hsiang Hsu, J Brent Richards, Josée Dupuis, Erik Ingelsson, David Karasik, Stefan Pilz, Diane Berry, Bryan Kestenbaum, Jusheng Zheng, Jianan Luan, Eleni Sofianopoulou, Elizabeth A Streeten, Demetrius Albanes, Pamela L Lutsey, Lu Yao, Weihong Tang, Michael J Econs, Henri Wallaschofski, Henry Völzke, Ang Zhou, Chris Power, Mark I McCarthy, Erin D Michos, Eric Boerwinkle, Stephanie J Weinstein, Neal D Freedman, Wen-Yi Huang, Natasja M Van Schoor, Nathalie van der Velde, Lisette C P G M de Groot, Anke Enneman, L Adrienne Cupples, Sarah L Booth, Ramachandran S Vasan, Ching-Ti Liu, Yanhua Zhou, Samuli Ripatti, Claes Ohlsson, Liesbeth Vandenput, Mattias Lorentzon, Johan G Eriksson, M Kyla Shea, Denise K Houston, Stephen B Kritchevsky, Yongmei Liu, Kurt K Lohman, Luigi Ferrucci, Munro Peacock, Christian Gieger, Marian Beekman, Eline Slagboom, Joris Deelen, Diana van Heemst, Marcus E Kleber, Winfried März, Ian H de Boer, Alexis C Wood, Jerome I Rotter, Stephen S Rich, Cassianne Robinson-Cohen, Martin den Heijer, Marjo-Riitta Jarvelin, Alana Cavadino, Peter K Joshi, James F Wilson, Caroline Hayward, Lars Lind, Karl Michaëlsson, Stella Trompet, M Carola Zillikens, Andre G Uitterlinden, Fernando Rivadeneira, Linda Broer, Lina Zgaga, Harry Campbell, Evropi Theodoratou, Susan M Farrington, Maria Timofeeva, Malcolm G Dunlop, Ana M Valdes, Emmi Tikkanen, Terho Lehtimäki, Leo-Pekka Lyytikäinen, Mika Kähönen, Olli T Raitakari, Vera Mikkilä, M Arfan Ikram, Naveed Sattar, J Wouter Jukema, Nicholas J Wareham, Claudia Langenberg, Nita G Forouhi, Thomas E Gundersen, Kay-Tee Khaw, Adam S Butterworth, John Danesh, Timothy Spector, Thomas J Wang, Elina Hyppönen, Peter Kraft, Douglas P Kiel
Vitamin D is a steroid hormone precursor that is associated with a range of human traits and diseases. Previous GWAS of serum 25-hydroxyvitamin D concentrations have identified four genome-wide significant loci (GC, NADSYN1/DHCR7, CYP2R1, CYP24A1). In this study, we expand the previous SUNLIGHT Consortium GWAS discovery sample size from 16,125 to 79,366 (all European descent). This larger GWAS yields two additional loci harboring genome-wide significant variants (P = 4.7×10-9 at rs8018720 in SEC23A, and P = 1...
January 17, 2018: Nature Communications
https://www.readbyqxmd.com/read/29343597/evidence-for-dispersal-syndromes-in-freshwater-fishes
#13
Lise Comte, Julian D Olden
Dispersal is a fundamental process defining the distribution of organisms and has long been a topic of inquiry in ecology and evolution. Emerging research points to an interdependency of dispersal with a diverse suite of traits in terrestrial organisms, however the extent to which such dispersal syndromes exist in freshwater species remains uncertain. Here, we test whether dispersal in freshwater fishes (1) is a fixed property of species, and (2) correlates with life-history, morphological, ecological and behavioural traits, using a global dataset of dispersal distances collected from the literature encompassing 116 riverine species and 196 locations...
January 31, 2018: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/29343252/insights-into-the-genetics-of-blood-pressure-in-black-south-african-individuals-the-birth-to-twenty-cohort
#14
Liesl M Hendry, Venesa Sahibdeen, Ananyo Choudhury, Shane A Norris, Michèle Ramsay, Zané Lombard
BACKGROUND: Cardiovascular diseases (CVDs) are the leading cause of non-communicable disease deaths globally, with hypertension being a major risk factor contributing to CVDs. Blood pressure is a heritable trait, with relatively few genetic studies having been performed in Africans. This study aimed to identify genetic variants associated with variance in systolic (SBP) and diastolic (DBP) blood pressure in black South Africans. METHODS: Genotyping was performed using the Metabochip in a subset of participants (mixed sex; median age 17...
January 17, 2018: BMC Medical Genomics
https://www.readbyqxmd.com/read/29340658/cuticle-and-pore-plug-properties-in-the-table-egg
#15
G Kulshreshtha, A Rodriguez-Navarro, E Sanchez-Rodriguez, T Diep, M T Hincke
Food safety of table eggs is vital since many pathogens can contaminate the unfertilized egg, leading to increased risk of foodborne illness for consumers. The eggshell cuticle is the first line of defense to restrict the entry of egg-associated pathogens, such as Salmonella Enteritidis. The thickness and completeness of coverage of the cuticle layer are heritable traits that are strongly associated with egg resistance to bacterial penetration. The present study characterizes the chemical composition of the eggshell cuticle and structure of pore plugs from table eggs...
January 11, 2018: Poultry Science
https://www.readbyqxmd.com/read/29340569/associations-of-the-top-20-alzheimer-disease-risk-variants-with-brain-amyloidosis
#16
Liana G Apostolova, Shannon L Risacher, Tugce Duran, Eddie C Stage, Naira Goukasian, John D West, Triet M Do, Jonathan Grotts, Holly Wilhalme, Kwangsik Nho, Meredith Phillips, David Elashoff, Andrew J Saykin
Importance: Late-onset Alzheimer disease (AD) is highly heritable. Genome-wide association studies have identified more than 20 AD risk genes. The precise mechanism through which many of these genes are associated with AD remains unknown. Objective: To investigate the association of the top 20 AD risk variants with brain amyloidosis. Design, Setting, and Participants: This study analyzed the genetic and florbetapir F 18 data from 322 cognitively normal control individuals, 496 individuals with mild cognitive impairment, and 159 individuals with AD dementia who had genome-wide association studies and 18F-florbetapir positron emission tomographic data from the Alzheimer's Disease Neuroimaging Initiative (ADNI), a prospective, observational, multisite tertiary center clinical and biomarker study...
January 16, 2018: JAMA Neurology
https://www.readbyqxmd.com/read/29339534/inactivating-mutations-in-drosha-mediate-vascular-abnormalities-similar-to-hereditary-hemorrhagic-telangiectasia
#17
Xuan Jiang, Whitney L Wooderchak-Donahue, Jamie McDonald, Prajakta Ghatpande, Mai Baalbaki, Melissa Sandoval, Daniel Hart, Hilary Clay, Shaun Coughlin, Giorgio Lagna, Pinar Bayrak-Toydemir, Akiko Hata
The transforming growth factor-β (TGF-β) and bone morphogenetic protein (BMP) family of cytokines critically regulates vascular morphogenesis and homeostasis. Impairment of TGF-β or BMP signaling leads to heritable vascular disorders, including hereditary hemorrhagic telangiectasia (HHT). Drosha, a key enzyme for microRNA (miRNA) biogenesis, also regulates the TGF-β and BMP pathway through interaction with Smads and their joint control of gene expression through miRNAs. We report that mice lacking Drosha in the vascular endothelium developed a vascular phenotype resembling HHT that included dilated and disorganized vasculature, arteriovenous fistulae, and hemorrhages...
January 16, 2018: Science Signaling
https://www.readbyqxmd.com/read/29338921/faster-progression-from-mci-to-probable-ad-for-carriers-of-a-single-nucleotide-polymorphism-associated-with-type-2-diabetes
#18
Hugo Girard, Olivier Potvin, Scott Nugent, Caroline Dallaire-Théroux, Stephen Cunnane, Simon Duchesne
Sporadic Alzheimer's disease (AD), as opposed to its autosomal dominant form, is likely caused by a complex interaction of genetic, environmental, and health lifestyle factors. Twin studies indicate that sporadic AD heritability could be between 58% and 79%, around half of which is explained by the ε4 allele of the apolipoprotein E (APOE4). We hypothesized that genes associated with known risk factors for AD, namely hypertension, hypercholesterolemia, obesity, diabetes, and cardiovascular disease, would contribute significantly to the remaining heritability...
December 7, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29337983/wor1-establishes-opaque-cell-fate-through-inhibition-of-the-general-co-repressor-tup1-in-candida-albicans
#19
Selma S Alkafeef, Clinton Yu, Lan Huang, Haoping Liu
The pathogenic fungus Candida albicans can undergo phenotypic switching between two heritable states: white and opaque. This phenotypic plasticity facilitates its colonization in distinct host niches. The master regulator WOR1 is exclusively expressed in opaque phase cells. Positive feedback regulation by Wor1 on the WOR1 promoter is essential for opaque formation, however the underlying mechanism of how Wor1 functions is not clear. Here, we use tandem affinity purification coupled with mass spectrometry to identify Wor1-interacting proteins...
January 16, 2018: PLoS Genetics
https://www.readbyqxmd.com/read/29337354/current-spring-warming-as-a-driver-of-selection-on-reproductive-timing-in-a-wild-passerine
#20
Pascal Marrot, Anne Charmantier, Jacques Blondel, Dany Garant
1.Evolutionary adaptation as a response to climate change is expected for fitness-related traits affected by climate and exhibiting genetic variance. Although the relationship between warmer spring temperature and earlier timing of reproduction is well documented, quantifications and predictions of the impact of global warming on natural selection acting on phenology in wild populations remain rare. If global warming affects fitness in a similar way across individuals within a population, or if fitness consequences are independent of phenotypic variation in key-adaptive traits, then no evolutionary response is expected for these traits...
January 16, 2018: Journal of Animal Ecology
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