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https://www.readbyqxmd.com/read/29334686/fat-mass-and-obesity-related-gene-variants-rs9939609-and-rs7185735-are-associated-with-second-generation-antipsychotic-induced-weight-gain
#1
Charlotte Schröder, Fabian Czerwensky, Stefan Leucht, Werner Steimer
INTRODUCTION: Weight gain is a limiting and frequent adverse effect of second-generation antipsychotic therapy. Identifying genetic risk factors would significantly improve pharmacotherapy. METHODS: We focused on rs7185735 and rs9939609, 2 common single nucleotide polymorphisms of the fat mass and obesity-associated (FTO) gene reported to be associated with obesity. Three-hundred fifty Caucasian inpatients were included in a naturalistic study. RESULTS: After 4 weeks of treatment, we did not observe any significant association of polymorphisms with weight change in the whole study population (p>0...
January 15, 2018: Pharmacopsychiatry
https://www.readbyqxmd.com/read/29334679/the-il20-genetic-polymorphism-is-associated-with-altered-clinical-outcome-in-septic-shock
#2
Taka-Aki Nakada, Petch Wacharasint, James A Russell, John H Boyd, Emiri Nakada, Simone A Thair, Tadanaga Shimada, Keith R Walley
BACKGROUND: The IL10 family of genes includes crucial immune regulators. We tested the hypothesis that single nucleotide polymorphisms (SNPs) in IL10, IL19, IL20, and IL24 of the IL10 family gene cluster alter the clinical outcome of septic shock. METHODS: Patients with septic shock (n = 1,193) were genotyped for 13 tag SNPs of IL10, IL19, IL20, and IL24. IL20 gene expression was measured in genotyped lymphoblastoid cells in vitro. Cardiac surgical ICU patients (n = 981) were genotyped for IL20 rs2981573 A/G...
January 16, 2018: Journal of Innate Immunity
https://www.readbyqxmd.com/read/29334678/genome-evolution-analysis-of-recurrent-testicular-malignant-mesothelioma-by-whole-genome-sequencing
#3
Shigeng Zhang, Qi Zhang, Qing Sun, Jinlong Tang, Jimin Chen, Na Ji, Yichun Zheng, Francia Fang, Wanjun Lei, Pengpeng Li, Nan Zhang
BACKGROUND/AIMS: Malignant mesothelioma of the tunica vaginalis testis is a rare and lethal disease. The genomic characteristics and genetic changes of tumor cells during the progression of this disease are unknown. METHODS: we performed whole-genome sequencing of four successive tumor samples derived from surgery and a blood sample in a single patient. RESULTS: All tumors were found to have significant C-to-T and T-to-C mutations, and amplification of copy number in chromosomes 1 and 12 were notified in all tumor samples...
January 15, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29334670/genetic-ablation-of-trpv1-exacerbates-pressure-overload-induced-cardiac-hypertrophy
#4
Beihua Zhong, Jack Rubinstein, Shuangtao Ma, Donna H Wang
Transient receptor potential vanilloid 1 (TRPV1) channels expressed in sensory nerves may regulate vascular tone and cardiovascular function via their anti-inflammatory effects by releasing neuropeptide calcitonin gene-related peptide (CGRP). Inflammation plays a role in the progression of cardiac hypertrophy and TRPV1 activation may be key to cardiac inflammatory processes. The aim of this study was to test the hypothesis that TRPV1 modulates inflammatory processes to protect the heart from pressure overload-induced hypertrophy and inflammatory responses...
January 12, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29334591/gtex-project-maps-wide-range-of-normal-human-genetic-variation-a-unique-catalog-and-follow-up-effort-associate-variation-with-gene-expression-across-dozens-of-body-tissues
#5
(no author information available yet)
No abstract text is available yet for this article.
February 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29334409/climate-driven-mitochondrial-selection-a-test-in-australian-songbirds
#6
Annika Mae Lamb, Han Ming Gan, Chris Greening, Leo Joseph, Yin Peng Lee, Alejandra Morán-Ordóñez, Paul Sunnucks, Alexandra Pavlova
Diversifying selection between populations that inhabit different environments can promote lineage divergence within species and ultimately drive speciation. The mitochondrial genome (mitogenome) encodes essential proteins of the oxidative phosphorylation (OXPHOS) system and can be a strong target for climate-driven selection (i.e. associated with inhabiting different climates). We investigated whether Pleistocene climate changes drove mitochondrial selection and evolution within Australian birds. First, using phylogeographic analyses of the mitochondrial ND2 gene for 17 songbird species, we identified mitochondrial clades (mitolineages)...
January 15, 2018: Molecular Ecology
https://www.readbyqxmd.com/read/29334376/positively-selected-enhancer-elements-endow-osteosarcoma-cells-with-metastatic-competence
#7
James J Morrow, Ian Bayles, Alister P W Funnell, Tyler E Miller, Alina Saiakhova, Michael M Lizardo, Cynthia F Bartels, Maaike Y Kapteijn, Stevephen Hung, Arnulfo Mendoza, Gursimran Dhillon, Daniel R Chee, Jay T Myers, Frederick Allen, Marco Gambarotti, Alberto Righi, Analisa DiFeo, Brian P Rubin, Alex Y Huang, Paul S Meltzer, Lee J Helman, Piero Picci, Henri Versteeg, John Stamatoyannopolus, Chand Khanna, Peter C Scacheri
Metastasis results from a complex set of traits acquired by tumor cells, distinct from those necessary for tumorigenesis. Here, we investigate the contribution of enhancer elements to the metastatic phenotype of osteosarcoma. Through epigenomic profiling, we identify substantial differences in enhancer activity between primary and metastatic human tumors and between near isogenic pairs of highly lung metastatic and nonmetastatic osteosarcoma cell lines. We term these regions metastatic variant enhancer loci (Met-VELs)...
January 15, 2018: Nature Medicine
https://www.readbyqxmd.com/read/29334369/dual-gene-activation-and-knockout-screen-reveals-directional-dependencies-in-genetic-networks
#8
Michael Boettcher, Ruilin Tian, James A Blau, Evan Markegard, Ryan T Wagner, David Wu, Xiulei Mo, Anne Biton, Noah Zaitlen, Haian Fu, Frank McCormick, Martin Kampmann, Michael T McManus
Understanding the direction of information flow is essential for characterizing how genetic networks affect phenotypes. However, methods to find genetic interactions largely fail to reveal directional dependencies. We combine two orthogonal Cas9 proteins from Streptococcus pyogenes and Staphylococcus aureus to carry out a dual screen in which one gene is activated while a second gene is deleted in the same cell. We analyze the quantitative effects of activation and knockout to calculate genetic interaction and directionality scores for each gene pair...
January 15, 2018: Nature Biotechnology
https://www.readbyqxmd.com/read/29334357/differential-requirements-of-androgen-receptor-in-luminal-progenitors-during-prostate-regeneration-and-tumor-initiation
#9
Chee Wai Chua, Nusrat J Epsi, Eva Y Leung, Shouhong Xuan, Ming Lei, Bo I Li, Sarah K Bergren, Hanina Hibshoosh, Antonina Mitrofanova, Michael M Shen
Master regulatory genes of tissue specification play key roles in stem/progenitor cells and are often important in cancer. In the prostate, androgen receptor (AR) is a master regulator essential for development and tumorigenesis, but its specific functions in prostate stem/progenitor cells have not been elucidated. We have investigated AR function in CARNs (CAstration-Resistant Nkx3.1-expressing cells), a luminal stem/progenitor that functions in prostate regeneration. Using genetically-engineered mouse models and novel prostate epithelial cell lines, we find that progenitor properties of CARNs are largely unaffected by AR deletion, apart from decreased proliferation in vivo...
January 15, 2018: ELife
https://www.readbyqxmd.com/read/29334348/assessing-the-readiness-of-precision-medicine-interoperabilty-an-exploratory-study-of-the-national-institutes-of-health-genetic-testing-registry
#10
Jay G Ronquillo, Chunhua Weng, William T Lester
BACKGROUND:   Precision medicine involves three major innovations currently taking place in healthcare:  electronic health records, genomics, and big data.  A major challenge for healthcare providers, however, is understanding the readiness for practical application of initiatives like precision medicine. OBJECTIVE:   To better understand the current state and challenges of precision medicine interoperability using a national genetic testing registry as a starting point, placed in the context of established interoperability formats...
November 17, 2017: Journal of Innovation in Health Informatics
https://www.readbyqxmd.com/read/29334315/interplay-between-p53-and-ink4c-in-spermatogenesis-and-fertility
#11
Hassan Zalzali, Wisam Rabeh, Omar Najjar, Rami Abi Ammar, Mohamad Harajly, Raya Saab
The tumor suppressor p53, and the cyclin-dependent kinase inhibitor Ink4c, have been both implicated in spermatogenesis control. Both p53-/- and Ink4c-/- single knockout male mice are fertile, despite testicular hypertrophy, Leydig cell differentiation defect, and increased sperm count in Ink4c-/- males. To investigate their collaborative roles, we studied p53-/- Ink4c-/- dual knockout animals, and found that male p53-/- Ink4c-/- mice have profoundly reduced fertility. Dual knockout male mice show a marked decrease in sperm count, abnormal sperm morphology and motility, prolongation of spermatozoa proliferation and delay of meiosis entry, and accumulation of DNA damage...
January 15, 2018: Cell Cycle
https://www.readbyqxmd.com/read/29334169/impact-of-baseline-clinical-and-laboratory-features-on-the-risk-of-thrombosis-in-children-with-acute-lymphoblastic-leukemia-a-prospective-evaluation
#12
Uma H Athale, T Mizrahi, C Laverdière, T Nayiager, Y-L Delva, G Foster, L Thabane, M David, J-M Leclerc, A K C Chan
BACKGROUND: Children with acute lymphoblastic leukemia (ALL) have increased risk of thromboembolism (TE). However, the predictors of ALL-associated TE are as yet uncertain. OBJECTIVE: This exploratory, prospective cohort study evaluated the effects of clinical (age, gender, ALL risk group) and laboratory variables (hematological parameters, ABO blood group, inherited and acquired prothrombotic defects [PDs]) at diagnosis on the development of symptomatic TE (sTE) in children (aged 1 to ≤18) treated on the Dana-Farber Cancer Institute ALL 05-001 study...
January 15, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29334134/a-comprehensive-next-generation-sequencing-assay-for-the-diagnosis-of-epidermolysis-bullosa
#13
Anne W Lucky, Neha Dagaonkar, Karen Lammers, Ammar Husami, Diane Kissell, Kejian Zhang
BACKGROUND: Historically, diagnosis of epidermolysis bullosa has required skin biopsies for electron microscopy, direct immunofluorescence to determine which gene(s) to choose for genetic testing, or both. METHODS: To avoid these invasive tests, we developed a high-throughput next-generation sequencing (NGS)-based diagnostic assay called EBSEQ that allows simultaneous detection of mutations in 21 genes with known roles in epidermolysis bullosa pathogenicity. Mutations are confirmed with traditional Sanger sequencing...
January 15, 2018: Pediatric Dermatology
https://www.readbyqxmd.com/read/29334044/gene-environment-interplay-in-the-etiology-of-psychosis
#14
Alyson Zwicker, Eileen M Denovan-Wright, Rudolf Uher
Schizophrenia and other types of psychosis incur suffering, high health care costs and loss of human potential, due to the combination of early onset and poor response to treatment. Our ability to prevent or cure psychosis depends on knowledge of causal mechanisms. Molecular genetic studies show that thousands of common and rare variants contribute to the genetic risk for psychosis. Epidemiological studies have identified many environmental factors associated with increased risk of psychosis. However, no single genetic or environmental factor is sufficient to cause psychosis on its own...
January 15, 2018: Psychological Medicine
https://www.readbyqxmd.com/read/29333833/-infrequent-mutation-in-renal-coloboma-syndrome-case-report-and-review
#15
Ignacio Ruiz Del Olmo Izuzquiza, Yolanda Romero Salas, Ana Rodríguez Valle, Inmaculada González Viejo, María L Justa Roldán
Renal-coloboma syndrome is an autosomal dominant disease characterized by renal hypodysplasia and coloboma. A case of a 12-year-old girl with chronic kidney disease, bilateral optic nerve colobomas and an exceptional PAX-2 gene mutation is presented. Diagnosed in prenatal scans with bilateral renal hypoplasia, she presented clinical and laboratory findings of chronic kidney disease at 5 days of life. Following tests showed grade II bilateral vesicoureteral reflux spontaneously solved, maintained non nephrotic proteinuria controlled with enalapril and bilateral colobomas with left macular atrophy...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29333687/h9n2-influenza-virus-isolated-from-minks-has-enhanced-virulence-in-mice
#16
R Xue, Y Tian, T Hou, D Bao, H Chen, Q Teng, J Yang, X Li, G Wang, Z Li, Q Liu
H9N2 is one of the major subtypes of influenza virus circulating in poultry in China, which has a wide host range from bird to mammals. Two H9N2 viruses were isolated from one mink farm in 2014. Phylogenetic analysis showed that internal genes of the H9N2 viruses have close relationship with those of H7N9 viruses. Interestingly, two H9N2 were separated in phylogenetic trees, indicating that they are introduced to this mink farm in two independent events. And further mice studies showed that one H9N2 caused obvious weight loss and 20% mortality in infected mice, while another virus did not cause any clinical sign in mice infected at the same dose...
January 14, 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29333623/evaluation-of-universal-immunohistochemical-screening-of-sebaceous-neoplasms-in-a-service-setting
#17
K Schon, E Rytina, J Drummond, J Simmonds, S Abbs, R Sandford, M Tischkowitz
BACKGROUND: Muir-Torre syndrome (MTS) is a subtype of Lynch syndrome, which encompasses the combination of sebaceous skin tumours or keratoacanthomas and internal malignancy, due to mutations in DNA mismatch repair genes. Sebaceous neoplasms (SNs) may occur before other malignancies, and may lead to the diagnosis, which allows testing of other family members, cancer surveillance, risk-reducing surgery or prevention therapies. AIM: To evaluate the efficacy of universal immunohistochemistry (IHC) screening of SNs in a service setting...
January 14, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29333607/arabidopsis-mlo2-is-a-negative-regulator-of-sensitivity-to-extracellular-ros
#18
Fuqiang Cui, Hongpo Wu, Omid Safronov, Panpan Zhang, Rajeev Kumar, Hannes Kollist, Jarkko Salojärvi, Ralph Panstruga, Kirk Overmyer
The atmospheric pollutant ozone (O3 ) is a strong oxidant that causes extracellular reactive oxygen species (ROS) formation, has significant ecological relevance, and is used here as a non-invasive ROS inducer to study plant signalling. Previous genetic screens identified several mutants exhibiting enhanced O3- sensitivity, but few with enhanced tolerance. We found that loss-of-function mutants in Arabidopsis MLO2, a gene implicated in susceptibility to powdery mildew disease, exhibit enhanced dose-dependent tolerance to O3 and extracellular ROS, but a normal response to intracellular ROS...
January 15, 2018: Plant, Cell & Environment
https://www.readbyqxmd.com/read/29333587/genetic-characterization-and-modification-of-a-bioethanol-producing-yeast-strain
#19
Ke Zhang, Ya-Nan Di, Lei Qi, Yang Sui, Ting-Yu Wang, Li Fan, Zhen-Mei Lv, Xue-Chang Wu, Pin-Mei Wang, Dao-Qiong Zheng
Yeast Saccharomyces cerevisiae strains isolated from different sources generally show extensive genetic and phenotypic diversity. Understanding how genomic variations influence phenotypes is important for developing strategies with improved economic traits. The diploid S. cerevisiae strain NY1308 is used for cellulosic bioethanol production. Whole genome sequencing identified an extensive amount of single nucleotide variations and small insertions/deletions in the genome of NY1308 compared with the S288c genome...
January 15, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29333583/the-microbial-community-of-tardigrades-environmental-influence-and-species-specificity-of-microbiome-structure-and-composition
#20
Matteo Vecchi, Irene L G Newton, Michele Cesari, Lorena Rebecchi, Roberto Guidetti
Symbiotic associations of metazoans with bacteria strongly influence animal biology since bacteria are ubiquitous and virtually no animal is completely free from them. Tardigrades are micrometazoans famous for their ability to undergo ametabolic states (cryptobiosis) but very little information is available on potential microbial associations. We characterized the microbiomes of six limnoterrestrial tardigrade species belonging to several phylogenetic lines in tandem with the microbiomes of their respective substrates...
January 15, 2018: Microbial Ecology
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