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https://www.readbyqxmd.com/read/27912112/ethnic-variation-of-genetic-idiopathic-generalized-epilepsy-in-malaysia
#1
Kheng Seang Lim, Ching Ching Ng, Chung Kin Chan, Wee Shean Foo, Joyce Siew Yong Low, Chong Tin Tan
PURPOSE: Ethnic variation in epilepsy classification was reported in the Epilepsy Phenome/Genome Project. This study aimed to determine the ethnic variation in the prevalence of genetic (idiopathic) generalized epilepsy (GGE) and GGE with family history in a multi-ethnic Asian population in Malaysia. METHOD: In this cross-sectional study, 392 patients with a clinical diagnosis of GGE were recruited in the neurology outpatient clinic, University of Malaya Medical Centre (UMMC), from January 2011 till April 2016...
November 24, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27910033/cytogenetic-resources-and-information
#2
Etienne De Braekeleer, Jean-Loup Huret, Hossain Mossafa, Philippe Dessen
The main databases devoted stricto sensu to cancer cytogenetics are the "Mitelman Database of Chromosome Aberrations and Gene Fusions in Cancer" ( http://cgap.nci.nih.gov/Chromosomes/Mitelman ), the "Atlas of Genetics and Cytogenetics in Oncology and Haematology" ( http://atlasgeneticsoncology.org ), and COSMIC ( http://cancer.sanger.ac.uk/cosmic ).However, being a complex multistep process, cancer cytogenetics are broadened to "cytogenomics," with complementary resources on: general databases (nucleic acid and protein sequences databases; cartography browsers: GenBank, RefSeq, UCSC, Ensembl, UniProtKB, and Entrez Gene), cancer genomic portals associated with recent international integrated programs, such as TCGA or ICGC, other fusion genes databases, array CGH databases, copy number variation databases, and mutation databases...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27909940/enhancement-of-rapamycin-production-by-metabolic-engineering-in-streptomyces-hygroscopicus-based-on-genome-scale-metabolic-model
#3
Lanqing Dang, Jiao Liu, Cheng Wang, Huanhuan Liu, Jianping Wen
Rapamycin, as a macrocyclic polyketide with immunosuppressive, antifungal, and anti-tumor activity produced by Streptomyces hygroscopicus, is receiving considerable attention for its significant contribution in medical field. However, the production capacity of the wild strain is very low. Hereby, a computational guided engineering approach was proposed to improve the capability of rapamycin production. First, a genome-scale metabolic model of Streptomyces hygroscopicus ATCC 29253 was constructed based on its annotated genome and biochemical information...
December 1, 2016: Journal of Industrial Microbiology & Biotechnology
https://www.readbyqxmd.com/read/27902417/lantibiotics-produced-by-actinobacteria-and-their-potential-applications-a-review
#4
Karen Gomes, Rafael Silva Duarte, Maria do Carmo de Freire Bastos
The phylum Actinobacteria, which comprises a great variety of Gram-positive bacteria with a high G+C content in their genomes, is known for its large production of bioactive compounds, including those with antimicrobial activity. Among the antimicrobials, bacteriocins, ribosomally-synthesized peptides, represent an important arsenal of potential new drugs to face the increasing prevalence of resistance to antibiotics among microbial pathogens. The actinobacterial bacteriocins form a heterogeneous group of substances that is difficult to adapt to most proposed classification schemes...
November 22, 2016: Microbiology
https://www.readbyqxmd.com/read/27899776/-new-classification-for-advanced-colorectal-cancer-using-cancerplex%C3%A2-genomic-tests
#5
Hitoshi Kameyama, Yoshifumi Shimada, Hiroshi Ichikawa, Masayuki Nagahashi, Jun Sakata, Takashi Kobayashi, Hitoshi Nogami, Satoshi Maruyama, Yasumasa Takii, Shujiro Okuda, Yiwei Ling, Hiroshi Izutsu, Keisuke Kodama, Mitsutaka Nakada, Toshifumi Wakai
Recently, targeted drugs have been developed for the treatment of colorectal cancer(CRC). Among targets, it is well known that KRAS mutations are associated with resistance to epidermal growth factor receptor(EGFR)monoclonal antibodies. However, response rates using anti-EGFR monotherapy for CRC were less than 20-30% in previous clinical studies. Thus, because the RAS/MAP2K/MAPK and PI3K/AKT pathways are associated with CRC resistance to chemotherapy, we analyzed gene mutations in Stage IV CRC patients using a genomic test(CancerPlex®)...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/27899610/malacards-an-amalgamated-human-disease-compendium-with-diverse-clinical-and-genetic-annotation-and-structured-search
#6
Noa Rappaport, Michal Twik, Inbar Plaschkes, Ron Nudel, Tsippi Iny Stein, Jacob Levitt, Moran Gershoni, C Paul Morrey, Marilyn Safran, Doron Lancet
The MalaCards human disease database (http://www.malacards.org/) is an integrated compendium of annotated diseases mined from 68 data sources. MalaCards has a web card for each of ∼20 000 disease entries, in six global categories. It portrays a broad array of annotation topics in 15 sections, including Summaries, Symptoms, Anatomical Context, Drugs, Genetic Tests, Variations and Publications. The Aliases and Classifications section reflects an algorithm for disease name integration across often-conflicting sources, providing effective annotation consolidation...
November 28, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27899345/ethics-of-genetic-testing-and-research-in-sport-a-position-statement-from-the-australian-institute-of-sport
#7
Nicole Vlahovich, Peter A Fricker, Matthew A Brown, David Hughes
As Australia's peak high-performance sport agency, the Australian Institute of Sport (AIS) has developed this position statement to address the implications of recent advances in the field of genetics and the ramifications for the health and well-being of athletes. Genetic testing has proven of value in the practice of clinical medicine. There are, however, currently no scientific grounds for the use of genetic testing for athletic performance improvement, sport selection or talent identification. Athletes and coaches should be discouraged from using direct-to-consumer genetic testing because of its lack of validation and replicability and the lack of involvement of a medical practitioner in the process...
November 29, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27899195/the-future-of-clinical-cancer-genomics
#8
Kenneth Offit
The current and future applications of genomics to the practice of preventive oncology are being impacted by a number of challenges. These include rapid advances in genomic science and technology that allow massively parallel sequencing of both tumors and the germline, a diminishing of intellectual property restrictions on diagnostic genetic applications, rapid expansion of access to the internet which includes mobile access to both genomic data and tools to communicate and interpret genetic data in a medical context, the expansion of for-profit diagnostic companies seeking to monetize genetic information, and a simultaneous effort to depict medical professionals as barriers to rather than facilitators of understanding one's genome...
October 2016: Seminars in Oncology
https://www.readbyqxmd.com/read/27898091/restoring-ureagenesis-in-hepatocytes-by-crispr-cas9-mediated-genomic-addition-to-arginase-deficient-induced-pluripotent-stem-cells
#9
Patrick C Lee, Brian Truong, Agustin Vega-Crespo, W Blake Gilmore, Kip Hermann, Stephanie Ak Angarita, Jonathan K Tang, Katherine M Chang, Austin E Wininger, Alex K Lam, Benjamen E Schoenberg, Stephen D Cederbaum, April D Pyle, James A Byrne, Gerald S Lipshutz
Urea cycle disorders are incurable enzymopathies that affect nitrogen metabolism and typically lead to hyperammonemia. Arginase deficiency results from a mutation in Arg1, the enzyme regulating the final step of ureagenesis and typically results in developmental disabilities, seizures, spastic diplegia, and sometimes death. Current medical treatments for urea cycle disorders are only marginally effective, and for proximal disorders, liver transplantation is effective but limited by graft availability. Advances in human induced pluripotent stem cell research has allowed for the genetic modification of stem cells for potential cellular replacement therapies...
November 29, 2016: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/27897004/identifying-genetic-associations-with-variability-in-metabolic-health-and-blood-count-laboratory-values-diving-into-the-quantitative-traits-by-leveraging-longitudinal-data-from-an-ehr
#10
Shefali S Verma, Anastasia M Lucas, Daniel R Lavage, Joseph B Leader, Raghu Metpally, Sarathbabu Krishnamurthy, Frederick Dewey, Ingrid Borecki, Alexander Lopez, John Overton, John Penn, Jeffrey Reid, Sarah A Pendergrass, Gerda Breitwieser, Marylyn D Ritchie
A wide range of patient health data is recorded in Electronic Health Records (EHR). This data includes diagnosis, surgical procedures, clinical laboratory measurements, and medication information. Together this information reflects the patient's medical history. Many studies have efficiently used this data from the EHR to find associations that are clinically relevant, either by utilizing International Classification of Diseases, version 9 (ICD-9) codes or laboratory measurements, or by designing phenotype algorithms to extract case and control status with accuracy from the EHR...
2016: Pacific Symposium on Biocomputing
https://www.readbyqxmd.com/read/27896989/opening-the-door-to-the-large-scale-use-of-clinical-lab-measures-for-association-testing-exploring-different-methods-for-defining-phenotypes
#11
Christopher R Bauer, Daniel Lavage, John Snyder, Joseph Leader, J Matthew Mahoney, Sarah A Pendergrass
The past decade has seen exponential growth in the numbers of sequenced and genotyped individuals and a corresponding increase in our ability of collect and catalogue phenotypic data for use in the clinic. We now face the challenge of integrating these diverse data in new ways new that can provide useful diagnostics and precise medical interventions for individual patients. One of the first steps in this process is to accurately map the phenotypic consequences of the genetic variation in human populations. The most common approach for this is the genome wide association study (GWAS)...
2016: Pacific Symposium on Biocomputing
https://www.readbyqxmd.com/read/27896820/ppar%C3%AE-targeted-oral-cancer-treatment-and-additional-utility-of-genomics-analytic-techniques
#12
Nathan Handley, Jacob Eide, Randall Taylor, Beverly Wuertz, Patrick Gaffney, Frank Ondrey
OBJECTIVE: Peroxisome proliferator-activated receptor γ (PPARγ) agonists have been shown to have anti-proliferative, anti-angiogenic, and proapoptotic effects, leading to interest in their use as cancer therapeutics. Pioglitazone, a U.S. Food and Drug Administration-approved type II diabetes medication and PPARγ agonist, may have a role in adjuvant head-and-neck squamous cell carcinoma treatment or prevention. Therefore, the purpose of this study was: 1) to treat oral cavity cancer cells with the PPARγ activator, pioglitazone, to analyze gene expression changes; and 2) to compare those changes with our preexisting genomic data for development of hypothesis-driven additional basic and clinical studies...
November 29, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27895661/the-genome-conformation-as-an-integrator-of-multi-omic-data-the-example-of-damage-spreading-in-cancer
#13
Fabio Tordini, Marco Aldinucci, Luciano Milanesi, Pietro Liò, Ivan Merelli
Publicly available multi-omic databases, in particular if associated with medical annotations, are rich resources with the potential to lead a rapid transition from high-throughput molecular biology experiments to better clinical outcomes for patients. In this work, we propose a model for multi-omic data integration (i.e., genetic variations, gene expression, genome conformation, and epigenetic patterns), which exploits a multi-layer network approach to analyse, visualize, and obtain insights from such biological information, in order to use achieved results at a macroscopic level...
2016: Frontiers in Genetics
https://www.readbyqxmd.com/read/27894449/ending-a-diagnostic-odyssey-family-education-counseling-and-response-to-eventual-diagnosis
#14
REVIEW
Donald Basel, Julie McCarrier
Genomic sequencing is the diagnostic test of choice for families with undiagnosed or rare diseases seeking an explanation for their child's complex medical concerns. The desire to find answers can easily bias interpretation of sequencing results, and thus the counseling process is designed to facilitate informed decision making and set realistic expectations for possible outcomes. The patient case examples serve to highlight the various challenges and complexities encountered with the clinical application of genomic sequencing and to reflect some of the data that has been accrued during the past 5 years of clinical experience...
February 2017: Pediatric Clinics of North America
https://www.readbyqxmd.com/read/27894357/new-insights-into-the-generation-and-role-of-de-novo-mutations-in-health-and-disease
#15
REVIEW
Rocio Acuna-Hidalgo, Joris A Veltman, Alexander Hoischen
Aside from inheriting half of the genome of each of our parents, we are born with a small number of novel mutations that occurred during gametogenesis and postzygotically. Recent genome and exome sequencing studies of parent-offspring trios have provided the first insights into the number and distribution of these de novo mutations in health and disease, pointing to risk factors that increase their number in the offspring. De novo mutations have been shown to be a major cause of severe early-onset genetic disorders such as intellectual disability, autism spectrum disorder, and other developmental diseases...
November 28, 2016: Genome Biology
https://www.readbyqxmd.com/read/27892595/the-rate-of-change-in-alcohol-misuse-across-adolescence-is-heritable
#16
Alexis C Edwards, Jon Heron, Vladimir Vladimirov, Aaron R Wolen, Daniel E Adkins, Fazil Aliev, Matthew Hickman, Kenneth S Kendler
BACKGROUND: Alcohol use typically begins during adolescence and escalates into young adulthood. This represents an important period for the establishment of alcohol use and misuse patterns, which can have psychosocial and medical consequences. Although changes in alcohol use during this time have been phenotypically characterized, their genetic nature is poorly understood. METHODS: Participants of the Avon Longitudinal Study of Parents and Children completed the Alcohol Use Disorders Identification Test (AUDIT) 4 times from age 16 to 20...
November 28, 2016: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/27892499/recognition-of-extremophilic-archaeal-viruses-by-eukaryotic-cells-a-promising-nanoplatform-from-the-third-domain-of-life
#17
Kristine Buch Uldahl, Linping Wu, Arnaldur Hall, Pavlos Papathanasiou, Xu Peng, Seyed Moein Moghimi
Viruses from the third domain of life, Archaea, exhibit unusual features including extreme stability that allow their survival in harsh environments. In addition, these species have never been reported to integrate into human or any other eukaryotic genomes, and could thus serve for exploration of novel medical nanoplatforms. Here, we selected two archaeal viruses Sulfolobus monocaudavirus 1 (SMV1) and Sulfolobus spindle shaped virus 2 (SSV2) owing to their unique spindle shape, hyperthermostable and acid-resistant nature and studied their interaction with mammalian cells...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27892476/comparative-transcriptome-analysis-between-an-evolved-abscisic-acid-overproducing-mutant-botrytis-cinerea-tbc-a-and-its-ancestral-strain-botrytis-cinerea-tbc-6
#18
Zhongtao Ding, Zhi Zhang, Juan Zhong, Di Luo, Jinyan Zhou, Jie Yang, Liang Xiao, Dan Shu, Hong Tan
Abscisic acid (ABA) is a classical phytohormone which plays an important role in plant stress resistance. Moreover, ABA is also found to regulate the activation of innate immune cells and glucose homeostasis in mammals. Therefore, this 'stress hormone' is of great importance to theoretical research and agricultural and medical applications. Botrytis cinerea is a well-known phytopathogenic ascomycete that synthesizes ABA via a pathway substantially different from higher plants. Identification of the functional genes involved in ABA biosynthesis in B...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27891564/a-homozygous-pign-missense-mutation-in-soft-coated-wheaten-terriers-with-a-canine-paroxysmal-dyskinesia
#19
Ana L Kolicheski, Gary S Johnson, Tendai Mhlanga-Mutangadura, Jeremy F Taylor, Robert D Schnabel, Taroh Kinoshita, Yoshiko Murakami, Dennis P O'Brien
Hereditary paroxysmal dyskinesias (PxD) are a heterogeneous group of movement disorders classified by frequency, duration, and triggers of the episodes. A young-adult onset canine PxD has segregated as an autosomal recessive trait in Soft-Coated Wheaten Terriers. The medical records and videos of episodes from 25 affected dogs were reviewed. The episodes of hyperkinesia and dystonia lasted from several minutes to several hours and could occur as often as >10/day. They were not associated with strenuous exercise or fasting but were sometimes triggered by excitement...
November 28, 2016: Neurogenetics
https://www.readbyqxmd.com/read/27891192/the-quest-for-an-effective-and-safe-personalized-cell-therapy-using-epigenetic-tools
#20
REVIEW
T A L Brevini, G Pennarossa, E F M Manzoni, C E Gandolfi, A Zenobi, F Gandolfi
In the presence of different environmental cues that are able to trigger specific responses, a given genotype has the ability to originate a variety of different phenotypes. This property is defined as plasticity and allows cell fate definition and tissue specialization. Fundamental epigenetic mechanisms drive these modifications in gene expression and include DNA methylation, histone modifications, chromatin remodeling, and microRNAs. Understanding these mechanisms can provide powerful tools to switch cell phenotype and implement cell therapy...
2016: Clinical Epigenetics
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