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https://www.readbyqxmd.com/read/28441826/-a-childhood-onset-rapid-onset-dystonia-parkinsonism-family-with-atp1a3-gene-mutation-and-literatures-review
#1
C L Zhang, F Yin, F He, N Gai, Z Q Shi, J Peng
Objective: To explore clinical characteristics, treatment, and prognosis of a family with childhood-onset rapid-onset dystonia parkinsonism (RDP) caused by ATP1A3 gene mutation and review literatures. Method: The clinical data of a RDP child, his brother and mother had been analyzed retrospectively. This family was admitted to Xiangya Hospital in January 2016. DNA samples were analyzed by the next-generation sequencing and confirmed by Sanger sequencing. Related literature from PubMed, Online Mendelian Inheritance in Man (OMIM), CNKI and Wanfang databases to date (up to October 2016) with"Rapid-onset dystonia-parkinsonism"RDP"DYT12" as key words was reviewed...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28441149/epigenetic-regulatory-mutations-and-epigenetic-therapy-for-multiple-myeloma
#2
Daphné Dupéré-Richer, Jonathan D Licht
PURPOSE OF REVIEW: Next generation sequencing and large-scale analysis of patient specimens has created a more complete picture of multiple myeloma (MM) revealing that epigenetic deregulation is a prominent factor in MM pathogenesis. RECENT FINDINGS: Over half of MM patients have mutations in genes encoding epigenetic modifier enzymes. The DNA methylation profile of MM is related to the stage of the disease and certain classes of mutations in epigenetic modifiers are more prevalent upon disease relapse, suggesting a role in disease progression...
April 22, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28440963/clinical-sequencing-using-a-next-generation-sequencing-based-multiplex-gene-assay-in-patients-with-advanced-solid-tumors
#3
Tadayuki Kou, Masashi Kanai, Yoshihiro Yamamoto, Mayumi Kamada, Masahiko Nakatsui, Tomohiro Sakuma, Hiroaki Mochizuki, Akinori Hiroshima, Aiko Sugiyama, Eijiro Nakamura, Hidehiko Miyake, Sachiko Minamiguchi, Kyoichi Takaori, Shigemi Matsumoto, Hironori Haga, Hiroshi Seno, Shinji Kosugi, Yasushi Okuno, Manabu Muto
Advances in next-generation sequencing (NGS) technologies have enabled physicians to test for genomic alterations in multiple cancer-related genes at once in daily clinical practice. In April 2015, we introduced clinical sequencing using an NGS-based multiplex gene assay (OncoPrime(™) ) certified by the Clinical Laboratory Improvement Amendment. This assay covers the entire coding regions of 215 genes and the rearrangement of 17 frequently rearranged genes with clinical relevance in human cancers. The principal indications for the assay were cancers of unknown primary site, rare tumors, and any solid tumors that were refractory to standard chemotherapy...
April 25, 2017: Cancer Science
https://www.readbyqxmd.com/read/28440912/performance-of-in-silico-tools-for-the-evaluation-of-p16ink4a-cdkn2a-variants-in-cagi
#4
Marco Carraro, Giovanni Minervini, Manuel Giollo, Yana Bromberg, Emidio Capriotti, Rita Casadio, Roland Dunbrack, Lisa Elefanti, Pietro Fariselli, Carlo Ferrari, Julian Gough, Panagiotis Katsonis, Emanuela Leonardi, Olivier Lichtarge, Chiara Menin, Pier Luigi Martelli, Abhishek Niroula, Lipika R Pal, Susanna Repo, Maria Chiara Scaini, Mauno Vihinen, Qiong Wei, Qifang Xu, Yuedong Yang, Yizhou Yin, Jan Zaucha, Huiying Zhao, Yaoqi Zhou, Steven E Brenner, John Moult, Silvio C E Tosatto
Correct phenotypic interpretation of variants of unknown significance for cancer-associated genes is a diagnostic challenge as genetic screenings gain in popularity in the next-generation sequencing era. The Critical Assessment of Genome Interpretation (CAGI) experiment aims to test and define the state of the art of genotype-phenotype interpretation. Here, we present the assessment of the CAGI p16INK4a challenge. Participants were asked to predict the effect on cellular proliferation of ten variants for the p16INK4a tumor suppressor, a cyclin-dependent kinase inhibitor encoded by the CDKN2A gene...
April 25, 2017: Human Mutation
https://www.readbyqxmd.com/read/28440294/next-generation-dna-sequencing-identifies-novel-gene-variants-and-pathways-involved-in-specific-language-impairment
#5
Xiaowei Sylvia Chen, Rose H Reader, Alexander Hoischen, Joris A Veltman, Nuala H Simpson, Clyde Francks, Dianne F Newbury, Simon E Fisher
A significant proportion of children have unexplained problems acquiring proficient linguistic skills despite adequate intelligence and opportunity. Developmental language disorders are highly heritable with substantial societal impact. Molecular studies have begun to identify candidate loci, but much of the underlying genetic architecture remains undetermined. We performed whole-exome sequencing of 43 unrelated probands affected by severe specific language impairment, followed by independent validations with Sanger sequencing, and analyses of segregation patterns in parents and siblings, to shed new light on aetiology...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28439859/genome-wide-profiling-of-histone-modifications-and-histone-variants-in-arabidopsis-thaliana-and-marchantia-polymorpha
#6
Ramesh Yelagandula, Akihisa Osakabe, Elin Axelsson, Frederic Berger, Tomokazu Kawashima
Histone modifications and histone variants barcode the genome and play major roles in epigenetic regulations. Chromatin immunoprecipitation (ChIP) coupled with next-generation sequencing (NGS) is a well-established method to investigate the landscape of epigenetic marks at a genomic level. Here, we describe procedures for conducting ChIP, subsequent NGS library construction, and data analysis on histone modifications and histone variants in Arabidopsis thaliana. We also describe an optimized nuclear isolation procedure to prepare chromatin for ChIP in the liverwort, Marchantia polymorpha, which is the emerging model plant ideal for evolutionary studies...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28439855/enabling-reverse-genetics-in-medicago-truncatula-using-high-throughput-sequencing-for-tnt1-flanking-sequence-recovery
#7
Xiaofei Cheng, Nick Krom, Shulan Zhang, Kirankumar S Mysore, Michael Udvardi, Jiangqi Wen
The genome sequence of Medicago truncatula was published and released in 2011. A Tnt1 insertional mutant population with 21,700 independently regenerated lines was completed in 2012 at The Samuel Roberts Noble Foundation. With an estimated 25 insertions per line, the Tnt1 mutant population harbors more than 500,000 insertions in the M. truncatula genome. Based on the genome size, average gene length, and random insertion of Tnt1into the genome, the mutant population affects about 90% of genes in the M. truncatula genome...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28439834/an-assessment-of-the-next-generation-of-animal-mirna-target-prediction-algorithms
#8
Thomas Bradley, Simon Moxon
The advent of genome-wide next-generation sequencing technologies has revolutionized the genomic and transcriptomic fields. New technologies also present an opportunity for greater discovery and understanding of post-transcriptional processes, in particular, translational inhibition of transcripts by miRBP (microRNA-RNA binding protein) complexes. Not only have novel methodologies been developed for the direct sequencing of RBP-bound RNA, but a new class of miRNA (microRNA) target prediction algorithms trained on this data has emerged...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28439832/computational-and-experimental-identification-of-tissue-specific-microrna-targets
#9
Raheleh Amirkhah, Hojjat Naderi Meshkin, Ali Farazmand, John E J Rasko, Ulf Schmitz
In this chapter we discuss computational methods for the prediction of microRNA (miRNA) targets. More specifically, we consider machine learning-based approaches and explain why these methods have been relatively unsuccessful in reducing the number of false positive predictions. Further we suggest approaches designed to improve their performance by considering tissue-specific target regulation. We argue that the miRNA targetome differs depending on the tissue type and introduce a novel algorithm that predicts miRNA targets specifically for colorectal cancer...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28439825/small-rna-profiling-by-next-generation-sequencing-using-high-definition-adapters
#10
Martina Billmeier, Ping Xu
Small RNAs (sRNAs) as key regulators of gene expression play fundamental roles in many biological processes. Next-generation sequencing (NGS) has become an important tool for sRNA discovery and profiling. However, NGS data often show bias for or against certain sequences which is mainly caused by adapter oligonucleotides that are ligated to sRNAs more or less efficiently by RNA ligases. In order to reduce ligation bias, High-definition (HD) adapters for the Illumina sequencing platform were developed. However, a large amount of direct 5' and 3' adapter ligation products are often produced when the current commercially available kits are used for cloning with HD adapters...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28439824/genome-wide-comparison-of-next-generation-sequencing-and-qpcr-platforms-for-microrna-profiling-in-serum
#11
Thorarinn Blondal, Maurizia Rossana Brunetto, Daniela Cavallone, Martin Mikkelsen, Michael Thorsen, Yuan Mang, Hazel Pinheiro, Ferruccio Bonino, Peter Mouritzen
This study compares next-generation sequencing (NGS) technologies that have been optimized specifically for biofluid samples, with more established qPCR-based methods for profiling microRNAs in biofluids. The same patient serum samples were analyzed by NGS and qPCR, and differences in the serum microRNA profile between HBV and HCV infected patients were investigated. While there was overall good agreement between NGS and qPCR, there were some differences between the platforms, highlighting the importance of validation...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28439709/complete-genome-sequence-and-phylogenetic-analyses-of-an-aquabirnavirus-isolated-from-a-diseased-marbled-eel-culture-in-taiwan
#12
Chiu-Ming Wen
An aquabirnavirus was isolated from diseased marbled eels (Anguilla marmorata; MEIPNV1310) with gill haemorrhages and associated mortality. Its genome segment sequences were obtained through next-generation sequencing and compared with published aquabirnavirus sequences. The results indicated that the genome sequence of MEIPNV1310 contains segment A (3099 nucleotides) and segment B (2789 nucleotides). Phylogenetic analysis showed that MEIPNV1310 is closely related to the infectious pancreatic necrosis Ab strain within genogroup II...
April 24, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28439260/intriguing-interaction-of-bacteriophage-host-association-an-understanding-in-the-era-of-omics
#13
REVIEW
Krupa M Parmar, Saurabh L Gaikwad, Prashant K Dhakephalkar, Ramesh Kothari, Ravindra Pal Singh
Innovations in next-generation sequencing technology have introduced new avenues in microbial studies through "omics" approaches. This technology has considerably augmented the knowledge of the microbial world without isolation prior to their identification. With an enormous volume of bacterial "omics" data, considerable attempts have been recently invested to improve an insight into virosphere. The interplay between bacteriophages and their host has created a significant influence on the biogeochemical cycles, microbial diversity, and bacterial population regulation...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28439188/next-generation-sequencing-reveals-high-prevalence-of-brca1-and-brca2-variants-of-unknown-significance-in-early-onset-breast-cancer-in-african-american-women
#14
Luisel Ricks-Santi, J Tyson McDonald, Bert Gold, Michael Dean, Nicole Thompson, Muneer Abbas, Bradford Wilson, Yasmine Kanaan, Tammey J Naab, Georgia Dunston
BACKGROUND: Variants of unknown significance (VUSs) have been identified in BRCA1 and BRCA2 and account for the majority of all identified sequence alterations. Notably, VUSs occur disproportionately in people of African descent hampering breast cancer (BCa) management and prevention efforts in the population. Our study sought to identify and characterize mutations associated with increased risk of BCa at young age. METHODS: In our study, the spectrum of mutations in BRCA1 and BRCA2 was enumerated in a cohort of 31 African American women of early age at onset breast cancer, with a family history of breast or cancer in general and/or with triple negative breast cancer...
2017: Ethnicity & Disease
https://www.readbyqxmd.com/read/28438488/whole-genome-sequencing-predicts-novel-human-disease-models-in-rhesus-macaques
#15
Benjamin N Bimber, Ranjani Ramakrishnan, Rita Cervera-Juanes, Ravi Madhira, Samuel M Peterson, Robert B Norgren, Betsy Ferguson
Rhesus macaques are an important pre-clinical model of human disease. To advance our understanding of genomic variation that may influence disease, we surveyed genome-wide variation in 21 rhesus macaques. We employed best-practice variant calling, validated with Mendelian inheritance. Next, we used alignment data from our cohort to detect genomic regions likely to produce inaccurate genotypes, potentially due to either gene duplication or structural variation between individuals. We generated a final dataset of >16 million high confidence variants, including 13 million in Chinese-origin rhesus macaques, an increasingly important disease model...
April 21, 2017: Genomics
https://www.readbyqxmd.com/read/28438297/investigating-a-case-of-possible-field-cancerization-in-oral-squamous-cell-carcinoma-by-the-use-of-next-generation-sequencing
#16
Siavosh Tabatabaeifar, Martin J Larsen, Stine R Larsen, Torben A Kruse, Mads Thomassen, Jens A Sørensen
OBJECTIVES: Local recurrence and the development of second primary tumors (SPT) are important factors that can influence the survival rate of oral squamous cell carcinoma (OSCC) patients. We investigate the concept of field cancerization which proposes that normal tissue adjacent to the primary tumor harbor pre-neoplastic alterations that can lead to the development of local recurrence and SPTs. MATERIALS AND METHODS: To examine the concept of field cancerization, we applied whole-exome and targeted ultra-deep sequencing on 5 freshly frozen samples from a stage III OSCC patient from three tumor sites, lymph node metastasis and blood...
May 2017: Oral Oncology
https://www.readbyqxmd.com/read/28438119/dfi-seq-identification-of-environment-specific-gene-expression-in-uropathogenic-escherichia-coli
#17
Michelle Madelung, Tina Kronborg, Thomas Koed Doktor, Carsten Struve, Karen Angeliki Krogfelt, Jakob Møller-Jensen
BACKGROUND: During infection of the urinary tract, uropathogenic Escherichia coli (UPEC) are exposed to different environments, such as human urine and the intracellular environments of bladder epithelial cells. Each environment elicits a distinct bacterial environment-specific transcriptional response. We combined differential fluorescence induction (DFI) with next-generation sequencing, collectively termed DFI-seq, to identify differentially expressed genes in UPEC strain UTI89 during growth in human urine and bladder cells...
April 24, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28438116/the-predictive-nature-of-transcript-expression-levels-on-protein-expression-in-adult-human-brain
#18
Amy L Bauernfeind, Courtney C Babbitt
BACKGROUND: Next generation sequencing methods are the gold standard for evaluating expression of the transcriptome. When determining the biological implications of such studies, the assumption is often made that transcript expression levels correspond to protein levels in a meaningful way. However, the strength of the overall correlation between transcript and protein expression is inconsistent, particularly in brain samples. RESULTS: Following high-throughput transcriptomic (RNA-Seq) and proteomic (liquid chromatography coupled with tandem mass spectrometry) analyses of adult human brain samples, we compared the correlation in the expression of transcripts and proteins that support various biological processes, molecular functions, and that are located in different areas of the cell...
April 24, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28437662/life-in-earth-the-root-microbiome-to-the-rescue
#19
REVIEW
Tim H Mauchline, Jacob G Malone
Manipulation of the soil microbiome holds great promise for contributing to more environmentally benign agriculture, with soil microbes such as Pseudomonas promoting plant growth and effectively suppressing pathogenic microorganisms. Next-generation sequencing has enabled a new generation of research into soil microbiomes, presenting the opportunity to better understand and exploit these valuable resources. Soil bacterial communities are both highly complex and variable, and contain vast interspecies and intraspecies diversity, both of which respond to environmental variation...
April 21, 2017: Current Opinion in Microbiology
https://www.readbyqxmd.com/read/28436887/optimal-block-based-trimming-for-next-generation-sequencing
#20
Ivo Hedtke, Ioana Lemnian, Ivo Grosse, Matthias Muller-Hannemann
Read trimming is a fundamental first step of the analysis of next generation sequencing (NGS) data. Traditionally, it is performed heuristically, and algorithmic work in this area has been neglected. Here, we address this topic and formulate three optimization problems for block-based trimming (truncating the same low-quality positions at both ends for all reads and removing low-quality truncated reads). We find that all problems are NP-hard. Hence, we investigate the approximability of the problems. Two of them are NP-hard to approximate...
April 24, 2017: IEEE/ACM Transactions on Computational Biology and Bioinformatics
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