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https://www.readbyqxmd.com/read/29353273/metabolomics-in-sepsis-and-its-impact-on-public-health
#1
Nikolaos Evangelatos, Pia Bauer, Matthias Reumann, Kapaettu Satyamoorthy, Hans Lehrach, Angela Brand
Sepsis, with its often devastating consequences for patients and their families, remains a major public health concern that poses an increasing financial burden. Early resuscitation together with the elucidation of the biological pathways and pathophysiological mechanisms with the use of "-omics" technologies have started changing the clinical and research landscape in sepsis. Metabolomics (i.e., the study of the metabolome), an "-omics" technology further down in the "-omics" cascade between the genome and the phenome, could be particularly fruitful in sepsis research with the potential to alter the clinical practice...
January 19, 2018: Public Health Genomics
https://www.readbyqxmd.com/read/29353004/leishmania-tropica-isolates-from-non-healed-and-healed-patients-in-iran-a-molecular-typing-and-phylogenetic-analysis
#2
Mehdi Bamorovat, Iraj Sharifi, Mohammad Ali Mohammadi, Sana Eybpoosh, Saeid Nasibi, Mohammad Reza Aflatoonian, Ahmad Khosravi
The precise identification of the parasite species causing leishmaniasis is essential for selecting proper treatment modality. The present study aims to compare the nucleotide variations of the ITS1, 7SL RNA, and Hsp70 sequences between non-healed and healed anthroponotic cutaneous leishmaniasis (ACL) patients in major foci in Iran. A case-control study was carried out from September 2015 to October 2016 in the cities of Kerman and Bam, in the southeast of Iran. Randomly selected skin-scraping lesions of 40 patients (20 non-healed and 20 healed) were examined and the organisms were grown in a culture medium...
January 15, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29352324/efficient-genome-wide-genotyping-strategies-and-data-integration-in-crop-plants
#3
REVIEW
Davoud Torkamaneh, Brian Boyle, François Belzile
Next-generation sequencing (NGS) has revolutionized plant and animal research by providing powerful genotyping methods. This review describes and discusses the advantages, challenges and, most importantly, solutions to facilitate data processing, the handling of missing data, and cross-platform data integration. Next-generation sequencing technologies provide powerful and flexible genotyping methods to plant breeders and researchers. These methods offer a wide range of applications from genome-wide analysis to routine screening with a high level of accuracy and reproducibility...
January 19, 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/29352165/construction-of-full-length-japanese-reference-panel-of-class-i-hla-genes-with-single-molecule-real-time-sequencing
#4
Takahiro Mimori, Jun Yasuda, Yoko Kuroki, Tomoko F Shibata, Fumiki Katsuoka, Sakae Saito, Naoki Nariai, Akira Ono, Naomi Nakai-Inagaki, Kazuharu Misawa, Keiko Tateno, Yosuke Kawai, Nobuo Fuse, Atsushi Hozawa, Shinichi Kuriyama, Junichi Sugawara, Naoko Minegishi, Kichiya Suzuki, Kengo Kinoshita, Masao Nagasaki, Masayuki Yamamoto
Human leukocyte antigen (HLA) is a gene complex known for its exceptional diversity across populations, importance in organ and blood stem cell transplantation, and associations of specific alleles with various diseases. We constructed a Japanese reference panel of class I HLA genes (ToMMo HLA panel), comprising a distinct set of HLA-A, HLA-B, HLA-C, and HLA-H alleles, by single-molecule, real-time (SMRT) sequencing of 208 individuals included in the 1070 whole-genome Japanese reference panel (1KJPN). For high-quality allele reconstruction, we developed a novel pipeline, Primer-Separation Assembly and Refinement Pipeline (PSARP), in which the SMRT sequencing and additional short-read data were used...
January 19, 2018: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/29352030/the-daunting-polygenicity-of-mental-illness-making-a-new-map
#5
REVIEW
Steven E Hyman
An epochal opportunity to elucidate the pathogenic mechanisms of psychiatric disorders has emerged from advances in genomic technology, new computational tools and the growth of international consortia committed to data sharing. The resulting large-scale, unbiased genetic studies have begun to yield new biological insights and with them the hope that a half century of stasis in psychiatric therapeutics will come to an end. Yet a sobering picture is coming into view; it reveals daunting genetic and phenotypic complexity portending enormous challenges for neurobiology...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29352010/genetics-of-syndromic-and-non-syndromic-mitral-valve-prolapse
#6
REVIEW
Thierry Le Tourneau, Jean Mérot, Antoine Rimbert, Solena Le Scouarnec, Vincent Probst, Hervé Le Marec, Robert A Levine, Jean-Jacques Schott
Mitral valve prolapse (MVP) is a common condition that affects 2%-3% of the general population. MVP is thought to include syndromic forms such as Marfan syndrome and non-syndromic MVP, which is the most frequent form. Myxomatous degeneration and fibroelastic deficiency (FED) are regarded as two different forms of non-syndromic MVP. While FED is still considered a degenerative disease associated with ageing, frequent familial clustering has been demonstrated for myxomatous MVP. Familial and genetic studies led to the recognition of reduced penetrance and large phenotypic variability, and to the identification of prodromal or atypical forms as a part of the complex spectrum of the disease...
January 19, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29351737/identifying-genome-wide-immune-gene-variation-underlying-infectious-disease-in-wildlife-populations-a-next-generation-sequencing-approach-in-the-gopher-tortoise
#7
Jean P Elbers, Mary B Brown, Sabrina S Taylor
BACKGROUND: Infectious disease is the single greatest threat to taxa such as amphibians (chytrid fungus), bats (white nose syndrome), Tasmanian devils (devil facial tumor disease), and black-footed ferrets (canine distemper virus, plague). Although understanding the genetic basis to disease susceptibility is important for the long-term persistence of these groups, most research has been limited to major-histocompatibility and Toll-like receptor genes. To better understand the genetic basis of infectious disease susceptibility in a species of conservation concern, we sequenced all known/predicted immune response genes (i...
January 19, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29351734/eogd-the-euplotes-octocarinatus-genome-database
#8
Ruan-Lin Wang, Wei Miao, Wei Wang, Jie Xiong, Ai-Hua Liang
BACKGROUND: Euplotes, a ciliated protozoan, is a useful unicellular model organism. Studies on Euplotes have provided excellent insights into various basic biological principles. We have recently sequenced the macronuclear genome of the common freshwater species Euplotes octocarinatus to provide novel insights into Euplotes genetics and molecular biology. RESULTS: In this study, we present the E. octocarinatus Genome Database (EOGD), a functional annotation and analysis platform for the global study of the Euplotes genome...
January 19, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29351600/gtc-how-to-maintain-huge-genotype-collections-in-a-compressed-form
#9
Agnieszka Danek, Sebastian Deorowicz
Motivation: Nowadays, genome sequencing is frequently used in many research centers. In projects, such as the Haplotype Reference Consortium or the Exome Aggregation Consortium, huge databases of genotypes in large populations are determined. Together with the increasing size of these collections, the need for fast and memory frugal ways of representation and searching in them becomes crucial. Results: We present GTC, a novel compressed data structure for representation of huge collections of genetic variation data...
January 16, 2018: Bioinformatics
https://www.readbyqxmd.com/read/29351515/understanding-key-mechanisms-of-exercise-induced-cardiac-protection-to-mitigate-disease-current-knowledge-and-emerging-concepts
#10
Bianca C Bernardo, Jenny Y Y Ooi, Kate L Weeks, Natalie L Patterson, Julie R McMullen
The benefits of exercise on the heart are well recognized, and clinical studies have demonstrated that exercise is an intervention that can improve cardiac function in heart failure patients. This has led to significant research into understanding the key mechanisms responsible for exercise-induced cardiac protection. Here, we summarize molecular mechanisms that regulate exercise-induced cardiac myocyte growth and proliferation. We discuss in detail the effects of exercise on other cardiac cells, organelles, and systems that have received less or little attention and require further investigation...
January 1, 2018: Physiological Reviews
https://www.readbyqxmd.com/read/29351194/involvement-of-bax-and-bcl-2-in-induction-of-apoptosis-by-essential-oils-of-three-lebanese-salvia-species-in-human-prostate-cancer-cells
#11
Alessandra Russo, Venera Cardile, Adriana C E Graziano, Rosanna Avola, Maurizio Bruno, Daniela Rigano
Prostate cancer is one of the most common forms of cancer in men, and research to find more effective and less toxic drugs has become necessary. In the frame of our ongoing program on traditionally used Salvia species from the Mediterranean Area, here we report the biological activities of Salvia aurea, S. judaica and S. viscosa essential oils against human prostate cancer cells (DU-145). The cell viability was measured by 3(4,5-dimethyl-thiazol-2-yl)2,5-diphenyl-tetrazolium bromide (MTT) test and lactate dehydrogenase (LDH) release was used to quantify necrosis cell death...
January 19, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29350701/genetic-testing-how-genetics-and-genomics-can-affect-healthcare-disparities%C3%A2
#12
Deborah Allen
Advances in oncology care have transformed treatment approaches as genetics and genomics analyses promote implementation of personalized medicine. Genetics and genomics research in TP53 have demonstrated that some mutations are prevalent in minority populations. This has implications on personalized treatment approaches, particularly in early disease stages. The purpose of this article is to describe oncology nurses' role in applying these findings in practice to reduce disparities observed in cancer and survivorship care...
February 1, 2018: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/29350398/use-of-computational-functional-genomics-in-drug-discovery-and-repurposing-for-analgesic-indications
#13
Jörn Lötsch, Dario Kringel
The novel research area of functional genomics investigates biochemical, cellular, or physiological properties of gene products with the goal of understanding the relationship between the genome and the phenotype. These developments have made analgesic drug research a data-rich discipline mastered only by making use of parallel developments in computer science, including the establishment of knowledge bases, mining methods for big data, machine-learning, and artificial intelligence, (Table ) which will be exemplarily introduced in the following...
January 19, 2018: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29350289/small-rna-pathways-responsible-for-non-cell-autonomous-regulation-of-plant-reproduction
#14
REVIEW
Ken-Ichi Nonomura
In angiosperms, germline precursors and germ cells are always attached to or engulfed within somatic companion cells until just before fertilization. This is because sperm and egg cells develop as part of the multicellular gametophyte. Thus, the non-cell-autonomous regulation by somatic companions plays important roles in efficient reproduction, in addition to the cell-autonomous regulation. Epigenetic silencing of transposable elements is one of the central events by which the germline transmits the error-free genome to the next generation...
January 19, 2018: Plant Reproduction
https://www.readbyqxmd.com/read/29348835/simultaneous-quantification-of-dna-damage-and-mitochondrial-copy-number-by-long-run-dna-damage-quantification-lord-q
#15
Benjamin Dannenmann, Simon Lehle, Sebastian Lorscheid, Stephan M Huber, Frank Essmann, Klaus Schulze-Osthoff
DNA damage and changes in the mitochondrial DNA content have been implicated in ageing and cancer development. To prevent genomic instability and tumorigenesis, cells must maintain the integrity of their nuclear and mitochondrial DNA. Advances in the research of DNA damage protection and genomic stability, however, also depend on the availability of techniques that can reliably quantify alterations of mitochondrial DNA copy numbers and DNA lesions in an accurate high-throughput manner. Unfortunately, no such method has been established yet...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29348612/gwas-in-childhood-acute-lymphoblastic-leukemia-reveals-novel-genetic-associations-at-chromosomes-17q12-and-8q24-21
#16
Joseph L Wiemels, Kyle M Walsh, Adam J de Smith, Catherine Metayer, Semira Gonseth, Helen M Hansen, Stephen S Francis, Juhi Ojha, Ivan Smirnov, Lisa Barcellos, Xiaorong Xiao, Libby Morimoto, Roberta McKean-Cowdin, Rong Wang, Herbert Yu, Josephine Hoh, Andrew T DeWan, Xiaomei Ma
Childhood acute lymphoblastic leukemia (ALL) (age 0-14 years) is 20% more common in Latino Americans than non-Latino whites. We conduct a genome-wide association study in a large sample of 3263 Californian children with ALL (including 1949 of Latino heritage) and 3506 controls matched on month and year of birth, sex, and ethnicity, and an additional 12,471 controls from the Kaiser Resource for Genetic Epidemiology Research on Aging Cohort. Replication of the strongest genetic associations is performed in two independent datasets from the Children's Oncology Group and the California Childhood Leukemia Study...
January 18, 2018: Nature Communications
https://www.readbyqxmd.com/read/29348443/a-general-and-flexible-method-for-signal-extraction-from-single-cell-rna-seq-data
#17
Davide Risso, Fanny Perraudeau, Svetlana Gribkova, Sandrine Dudoit, Jean-Philippe Vert
Single-cell RNA-sequencing (scRNA-seq) is a powerful high-throughput technique that enables researchers to measure genome-wide transcription levels at the resolution of single cells. Because of the low amount of RNA present in a single cell, some genes may fail to be detected even though they are expressed; these genes are usually referred to as dropouts. Here, we present a general and flexible zero-inflated negative binomial model (ZINB-WaVE), which leads to low-dimensional representations of the data that account for zero inflation (dropouts), over-dispersion, and the count nature of the data...
January 18, 2018: Nature Communications
https://www.readbyqxmd.com/read/29348434/identification-of-genetic-elements-in-metabolism-by-high-throughput-mouse-phenotyping
#18
Jan Rozman, Birgit Rathkolb, Manuela A Oestereicher, Christine Schütt, Aakash Chavan Ravindranath, Stefanie Leuchtenberger, Sapna Sharma, Martin Kistler, Monja Willershäuser, Robert Brommage, Terrence F Meehan, Jeremy Mason, Hamed Haselimashhadi, Tertius Hough, Ann-Marie Mallon, Sara Wells, Luis Santos, Christopher J Lelliott, Jacqueline K White, Tania Sorg, Marie-France Champy, Lynette R Bower, Corey L Reynolds, Ann M Flenniken, Stephen A Murray, Lauryl M J Nutter, Karen L Svenson, David West, Glauco P Tocchini-Valentini, Arthur L Beaudet, Fatima Bosch, Robert B Braun, Michael S Dobbie, Xiang Gao, Yann Herault, Ala Moshiri, Bret A Moore, K C Kent Lloyd, Colin McKerlie, Hiroshi Masuya, Nobuhiko Tanaka, Paul Flicek, Helen E Parkinson, Radislav Sedlacek, Je Kyung Seong, Chi-Kuang Leo Wang, Mark Moore, Steve D Brown, Matthias H Tschöp, Wolfgang Wurst, Martin Klingenspor, Eckhard Wolf, Johannes Beckers, Fausto Machicao, Andreas Peter, Harald Staiger, Hans-Ulrich Häring, Harald Grallert, Monica Campillos, Holger Maier, Helmut Fuchs, Valerie Gailus-Durner, Thomas Werner, Martin Hrabe de Angelis
Metabolic diseases are a worldwide problem but the underlying genetic factors and their relevance to metabolic disease remain incompletely understood. Genome-wide research is needed to characterize so-far unannotated mammalian metabolic genes. Here, we generate and analyze metabolic phenotypic data of 2016 knockout mouse strains under the aegis of the International Mouse Phenotyping Consortium (IMPC) and find 974 gene knockouts with strong metabolic phenotypes. 429 of those had no previous link to metabolism and 51 genes remain functionally completely unannotated...
January 18, 2018: Nature Communications
https://www.readbyqxmd.com/read/29347912/genome-wide-analysis-of-the-potato-hsp20-gene-family-identification-genomic-organization-and-expression-profiles-in-response-to-heat-stress
#19
Peng Zhao, Dongdong Wang, Ruoqiu Wang, Nana Kong, Chao Zhang, Chenghui Yang, Wentao Wu, Haoli Ma, Qin Chen
BACKGROUND: Heat shock proteins (Hsps) are essential components in plant tolerance mechanism under various abiotic stresses. Hsp20 is the major family of heat shock proteins, but little of Hsp20 family is known in potato (Solanum tuberosum), which is an important vegetable crop that is thermosensitive. RESULTS: To reveal the mechanisms of potato Hsp20s coping with abiotic stresses, analyses of the potato Hsp20 gene family were conducted using bioinformatics-based methods...
January 18, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29346644/genome-wide-analysis-of-disease-progression-in-age-related-macular-degeneration
#20
Qi Yan, Ying Ding, Yi Liu, Tao Sun, Lars G Fritsche, Traci Clemons, Rinki Ratnapriya, Michael L Klein, Richard J Cook, Yu Liu, Ruzong Fan, Lai Wei, Gonçalo R Abecasis, Anand Swaroop, Emily Y Chew, Daniel E Weeks, Wei Chen
Family- and population-based genetic studies have successfully identified multiple disease-susceptibility loci for Age-related Macular Degeneration (AMD), one of the first batch and most successful examples of genome-wide association study (GWAS). However, most genetic studies to date have focused on case-control studies of late AMD (choroidal neovascularization [CNV] or geographic atrophy [GA]). The genetic influences on disease progression are largely unexplored. We assembled unique resources to perform a genome-wide bivariate time-to-event analysis to test for association of time-to-late-AMD with ∼9 million variants on 2,721 Caucasians from a large multi-center randomized clinical trial, the Age-Related Eye Disease Study...
January 15, 2018: Human Molecular Genetics
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