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https://www.readbyqxmd.com/read/28921048/antibacterial-and-antitumor-activity-of-bogorol-b-jx-isolated-from-brevibacillus-laterosporus-jx-5
#1
Hongxia Jiang, Chao Ji, Junkang Sui, Rongbo Sa, Xiaohui Wang, Xunli Liu, Tai L Guo
Antimicrobial peptides are promising anti-infective agent candidates because they have a broad antimicrobial spectrum and bioactivity and are unlikely to elicit antibiotic resistance. The bogorols represent a new cationic antibiotic peptide and possess great therapeutic potential because of their bioactivity and precise mode of action. Here, we report that Bogorol B-JX (BBJX), a peptide previously isolated from Brevibacillus laterosporus JX-5 by us, has significant antibacterial and antitumor activities in vitro...
September 18, 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28919791/pegylated-interferon-plus-ribavirin-treatment-does-not-alter-the-prevalence-of-resistance-associated-substitutions-to-direct-acting-antivirals-in-hcv-genotype-1a-patients
#2
Zhi-Wei Chen, Xi-Chen Pang, Zhao Li, Hong Ren, Peng Hu
BACKGROUND: Direct-acting antiviral (DAA) resistance-associated substitutions (RASs) can jeopardize the effectiveness of DAAs in patients with hepatitis C virus (HCV). The selection pressure by pegylated-interferon (Peg-IFN) plus ribavirin (P/R) treatment may enhance HCV genome variation. However, whether P/R treatment alters the rate of change of RASs is still unclear. MATERIALS AND METHODS: We retrieved the genomic sequences of HCV genotype (GT) 1a patients from GenBank, which included patients naïve to P/R (pre-IFN group) and those previously treated with P/R (post-IFN group)...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28919616/detection-of-human-papilloma-virus-by-molecular-method-from-patients-attending-at-colposcopy-clinic-of-mymensingh-medical-college-hospital-mymensingh
#3
H Begum, M A Hossain, S K Paul, S A Nasreen, S Ahmed, S Nahar, S Monwar, F Nahar, S Roy, S A Abdullah, S Abedin, M U Ahmed, T K Barman
Cervical cancer is the second most common cancer in women worldwide. Human papillomavirus (HPV) is considered as the main cause of invasive cervical cancer and cervical intra-epithelial neoplasia. High risk HPV DNA has been shown to be present in 99.7% of cervical cancers. So HPV DNA testing for screening of cervical cancers may play a potential role in early detection and management of cervical cancer. With above background a cross sectional study was undertaken to estimate the prevalence and to identify the associated risk factors of human Papillomavirus infection among Visual Inspection with Acetic acid (VIA) positive women attending at colposcopy clinic of Mymensingh Medical College Hospital (MMCH), Mymensingh, Bangladesh from July 2013 to December 2014...
July 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28915902/development-and-clinical-application-of-radiomics-in-lung-cancer
#4
REVIEW
Bojiang Chen, Rui Zhang, Yuncui Gan, Lan Yang, Weimin Li
Since the discovery of X-rays at the end of the 19(th) century, medical imageology has progressed for 100 years, and medical imaging has become an important auxiliary tool for clinical diagnosis. With the launch of the human genome project (HGP) and the development of various high-throughput detection techniques, disease exploration in the post-genome era has extended beyond investigations of structural changes to in-depth analyses of molecular abnormalities in tissues, organs and cells, on the basis of gene expression and epigenetics...
September 15, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28914549/age-groups-related-glioblastoma-study-based-on-radiomics-approach
#5
Zeju Li, Yuanyuan Wang, Jinhua Yu, Yi Guo, Qi Zhang
Glioblastoma is the most aggressive malignant brain tumor with poor prognosis. Radiomics is a newly emerging and promising technique to reveal the complex relationships between high-throughput medical image features and deep information of disease including pathology, biomarkers and genomics. An approach was developed to investigate the internal relationship between magnetic resonance imaging (MRI) features and the age-related origins of glioblastomas based on a quantitative radiomics method. A fully automatic image segmentation method was applied to segment the tumor regions from three dimensional MRI images...
September 15, 2017: Computer Assisted Surgery (Abingdon, England)
https://www.readbyqxmd.com/read/28914268/impact-of-hipaa-s-minimum-necessary-standard-on-genomic-data-sharing
#6
Barbara J Evans, Gail P Jarvik
This article provides a brief introduction to the Health Insurance Portability and Accountability Act of 1996 (HIPAA) Privacy Rule's minimum necessary standard, which applies to sharing of genomic data, particularly clinical data, following 2013 Privacy Rule revisions. This research used the Thomson Reuters Westlaw database and law library resources in its legal analysis of the HIPAA privacy tiers and the impact of the minimum necessary standard on genomic data sharing. We considered relevant example cases of genomic data-sharing needs...
September 14, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28914266/medical-genetics-and-genomics-education-and-its-impact-on-genomic-literacy-of-the-clinical-workforce
#7
Katherine Hyland, Shoumita Dasgupta
No abstract text is available yet for this article.
September 14, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28912772/an-anthropocentric-view-of-the-virosphere-host-relationship
#8
Rodrigo A L Rodrigues, Ana C Dos S P Andrade, Paulo V de M Boratto, Giliane de S Trindade, Erna G Kroon, Jônatas S Abrahão
For over a century, viruses have been known as the most abundant and diverse group of organisms on Earth, forming a virosphere. Based on extensive meta-analyses, we present, for the first time, a wide and complete overview of virus-host network, covering all known viral species. Our data indicate that most of known viral species, regardless of their genomic category, have an intriguingly narrow host range, infecting only 1 or 2 host species. Our data also show that the known virosphere has expanded based on viruses of human interest, related to economical, medical or biotechnological activities...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28904649/harnessing-whole-genome-sequencing-in-medical-mycology
#9
REVIEW
Christina A Cuomo
PURPOSE OF REVIEW: Comparative genome sequencing studies of human fungal pathogens enable identification of genes and variants associated with virulence and drug resistance. This review describes current approaches, resources, and advances in applying whole genome sequencing to study clinically important fungal pathogens. RECENT FINDINGS: Genomes for some important fungal pathogens were only recently assembled, revealing gene family expansions in many species and extreme gene loss in one obligate species...
2017: Current Fungal Infection Reports
https://www.readbyqxmd.com/read/28903768/liquid-dynamic-medicine-and-n-of-1-clinical-trials-a-change-of-perspective-in-oncology-research
#10
REVIEW
Nicola Silvestris, Gennaro Ciliberto, Paolo De Paoli, Giovanni Apolone, Maria Luisa Lavitrano, Marco A Pierotti, Giorgio Stanta
The increasing use of genomics to define the pattern of actionable mutations and to test and validate new therapies for individual cancer patients, and the growing application of liquid biopsy to dynamically track tumor evolution and to adapt molecularly targeted therapy according to the emergence of tumor clonal variants is shaping modern medical oncology., In order to better describe this new therapeutic paradigm we propose the term "Liquid dynamic medicine" in the place of "Personalized or Precision medicine"...
September 13, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28903413/a-novel-heterozygous-germline-deletion-in-msh2-gene-in-a-five-generation-chinese-family-with-lynch-syndrome
#11
Bin Wu, Wuyang Ji, Shengran Liang, Chao Ling, Yan You, Lai Xu, Min-Er Zhong, Yi Xiao, Hui-Zhong Qiu, Jun-Yang Lu, Santasree Banerjee
Lynch syndrome (LS) is one of the most common familial forms of colorectal cancer predisposing syndrome with an autosomal dominant mode of inheritance. LS is caused by the germline mutations in DNA mismatch repair (MMR) genes including MSH2, MLH1, MSH6 and PMS2. Clinically, LS is characterized by high incidence of early-onset colorectal cancer as well as endometrial, small intestinal and urinary tract cancers, usually occur in the third to fourth decade of the life. Here we describe a five generation Chinese family with LS clinically diagnosed according to the Amsterdam II criteria...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28899997/improving-disease-prediction-by-incorporating-family-disease-history-in-risk-prediction-models-with-large-scale-genetic-data
#12
Jungsoo Gim, Wonji Kim, Soo Heon Kwak, Hosik Choi, Changyi Park, Kyong Soo Park, Sunghoon Kwon, Taesung Park, Sungho Won
Despite the many successes of genome-wide association studies (GWAS), the known susceptibility variants identified by GWAS have modest effect sizes, leading to notable skepticism about the effectiveness of building a risk prediction model from large-scale genetic data. However, in contrast to genetic variants, the family history of diseases has been largely accepted as an important risk factor in clinical diagnosis and risk prediction. Nevertheless, the complicated structures of the family history of diseases have limited their application in clinical practice...
September 12, 2017: Genetics
https://www.readbyqxmd.com/read/28895847/therapeutic-gene-editing-safety-and-specificity
#13
REVIEW
Christopher T Lux, Andrew M Scharenberg
Therapeutic gene editing is significant for medical advancement. Safety is intricately linked to the specificity of the editing tools used to cut at precise genomic targets. Improvements can be achieved by thoughtful design of nucleases and repair templates, analysis of off-target editing, and careful utilization of viral vectors. Advancements in DNA repair mechanisms and development of new generations of tools improve targeting of specific sequences while minimizing risks. It is important to plot a safe course for future clinical trials...
October 2017: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/28895531/genetic-identification-of-a-common-collagen-disease-in-puerto-ricans-via-identity-by-descent-mapping-in-a-health-system
#14
Gillian Morven Belbin, Jacqueline Odgis, Elena P Sorokin, Muh-Ching Yee, Sumita Kohli, Benjamin S Glicksberg, Christopher R Gignoux, Genevieve L Wojcik, Tielman Van Vleck, Janina M Jeff, Michael Linderman, Claudia Schurmann, Douglas Ruderfer, Xiaoqiang Cai, Amanda Merkelson, Anne E Justice, Kristin L Young, Misa Graff, Kari E North, Ulrike Peters, Regina James, Lucia Hindorff, Ruth Kornreich, Lisa Edelmann, Omri Gottesman, Eli Ea Stahl, Judy H Cho, Ruth Jf Loos, Erwin P Bottinger, Girish N Nadkarni, Noura S Abul-Husn, Eimear E Kenny
Achieving confidence in the causality of a disease locus is a complex task that often requires supporting data from both statistical genetics and clinical genomics. Here we describe a combined approach to identify and characterize a genetic disorder that leverages distantly related patients in a health system and population-scale mapping. We utilize genomic data to uncover components of distant pedigrees, in the absence of recorded pedigree information, in the multi-ethnic BioMe biobank in New York City. By linking to medical records, we discover a locus associated with both elevated genetic relatedness and extreme short stature...
September 12, 2017: ELife
https://www.readbyqxmd.com/read/28894586/a-pilot-study-on-the-impact-of-dopamine-serotonin-and-brain-derived-neurotrophic-factor-genotype-on-long-term-functional-outcomes-after-subarachnoid-hemorrhage
#15
Ansley Stanfill, Claire Simpson, Paula Sherwood, Samuel Poloyac, Elizabeth Crago, Hyungsuk Kim, Yvette Conley
OBJECTIVES: Many that survive an aneurysmal subarachnoid hemorrhage experience lasting physical disability, which might be improved by medications with effects on the dopaminergic, serotonergic, and brain-derived neurotrophic factor neurotransmitter systems. But it is not clear which patients are most likely to benefit from these therapies. The purpose of this pilot study was to explore the relationship of genetic polymorphisms in these pathways with 12-month functional outcomes after aneurysmal subarachnoid hemorrhage...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/28894459/a-preliminary-list-of-horizontally-transferred-genes-in-prokaryotes-determined-by-tree-reconstruction-and-reconciliation
#16
Hyeonsoo Jeong, Arshan Nasir
Genome-wide global detection of genes involved in horizontal gene transfer (HGT) remains an active area of research in medical microbiology and evolutionary genomics. Utilizing the explicit evolutionary method of comparing topologies of a total of 154,805 orthologous gene trees against corresponding 16S rRNA "reference" trees, we previously detected a total of 660,894 candidate HGT events in 2,472 completely-sequenced prokaryotic genomes. Here, we report an HGT-index for each individual gene-reference tree pair reconciliation, representing the total number of detected HGT events on the gene tree divided by the total number of genomes (taxa) member of that tree...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28894125/elongation-factor-tu-is-a-multifunctional-and-processed-moonlighting-protein
#17
Michael Widjaja, Kate Louise Harvey, Lisa Hagemann, Iain James Berry, Veronica Maria Jarocki, Benjamin Bernard Armando Raymond, Jessica Leigh Tacchi, Anne Gründel, Joel Ricky Steele, Matthew Paul Padula, Ian George Charles, Roger Dumke, Steven Philip Djordjevic
Many bacterial moonlighting proteins were originally described in medically, agriculturally, and commercially important members of the low G + C Firmicutes. We show Elongation factor Tu (Ef-Tu) moonlights on the surface of the human pathogens Staphylococcus aureus (SaEf-Tu) and Mycoplasma pneumoniae (MpnEf-Tu), and the porcine pathogen Mycoplasma hyopneumoniae (MhpEf-Tu). Ef-Tu is also a target of multiple processing events on the cell surface and these were characterised using an N-terminomics pipeline...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28892063/interpreting-short-tandem-repeat-variations-in-humans-using-mutational-constraint
#18
Melissa Gymrek, Thomas Willems, David Reich, Yaniv Erlich
Identifying regions of the genome that are depleted of mutations can distinguish potentially deleterious variants. Short tandem repeats (STRs), also known as microsatellites, are among the largest contributors of de novo mutations in humans. However, per-locus studies of STR mutations have been limited to highly ascertained panels of several dozen loci. Here we harnessed bioinformatics tools and a novel analytical framework to estimate mutation parameters for each STR in the human genome by correlating STR genotypes with local sequence heterozygosity...
September 11, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28890089/-tumour-sequencing-evolutions-and-revolutions
#19
N Piton, A Lamy, J-C Sabourin
For some years now, we have entered the genomic age of tumour genotyping from a medical point of view. Technological breakthroughs in both biology and information science now allow a genomic analysis of cancers in everyday medical practice with, in some case, a major impact on patient care not only for the choice of therapy (i.e. EGFR mutations in lung adenocarcinoma), but also for diagnosis and monitoring of the disease. Tumour genotyping is performed from formalin-fixed paraffin-embedded tissues used for diagnosis of cancer...
September 7, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28887351/using-predictive-analytics-and-big-data-to-optimize-pharmaceutical-outcomes
#20
Inmaculada Hernandez, Yuting Zhang
PURPOSE: The steps involved, the resources needed, and the challenges associated with applying predictive analytics in healthcare are described, with a review of successful applications of predictive analytics in implementing population health management interventions that target medication-related patient outcomes. SUMMARY: In healthcare, the term big data typically refers to large quantities of electronic health record, administrative claims, and clinical trial data as well as data collected from smartphone applications, wearable devices, social media, and personal genomics services; predictive analytics refers to innovative methods of analysis developed to overcome challenges associated with big data, including a variety of statistical techniques ranging from predictive modeling to machine learning to data mining...
September 15, 2017: American Journal of Health-system Pharmacy: AJHP
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