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Multiomics

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https://www.readbyqxmd.com/read/28768687/hit-ndrive-patient-specific-multidriver-gene-prioritization-for-precision-oncology
#1
Raunak Shrestha, Ermin Hodzic, Thomas Sauerwald, Phuong Dao, Kendric Wang, Jake Yeung, Shawn Anderson, Fabio Vandin, Gholamreza Haffari, Colin C Collins, S Cenk Sahinalp
Prioritizing molecular alterations that act as drivers of cancer remains a crucial bottleneck in therapeutic development. Here we introduce HIT'nDRIVE, a computational method that integrates genomic and transcriptomic data to identify a set of patient-specific, sequence-altered genes, with sufficient collective influence over dysregulated transcripts. HIT'nDRIVE aims to solve the "random walk facility location" (RWFL) problem in a gene (or protein) interaction network, which differs from the standard facility location problem by its use of an alternative distance measure: "multihitting time," the expected length of the shortest random walk from any one of the set of sequence-altered genes to an expression-altered target gene...
July 18, 2017: Genome Research
https://www.readbyqxmd.com/read/28729681/multiomics-analysis-of-the-giant-triton-snail-salivary-gland-a-crown-of-thorns-starfish-predator
#2
U Bose, T Wang, M Zhao, C A Motti, M R Hall, S F Cummins
The giant triton snail (Charonia tritonis) is one of the few natural predators of the adult Crown-of-Thorns starfish (COTS), a corallivore that has been damaging to many reefs in the Indo-Pacific. Charonia species have large salivary glands (SGs) that are suspected to produce either a venom and/or sulphuric acid which can immobilize their prey and neutralize the intrinsic toxic properties of COTS. To date, there is little information on the types of toxins produced by tritons. In this paper, the predatory behaviour of the C...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28691013/identification-of-pharmacologically-tractable-protein-complexes-in-cancer-using-the-r-based-network-clustering-and-visualization-program-mcoder
#3
Sungjin Kwon, Hyosil Kim, Hyun Seok Kim
Current multiomics assay platforms facilitate systematic identification of functional entities that are mappable in a biological network, and computational methods that are better able to detect densely connected clusters of signals within a biological network are considered increasingly important. One of the most famous algorithms for detecting network subclusters is Molecular Complex Detection (MCODE). MCODE, however, is limited in simultaneous analyses of multiple, large-scale data sets, since it runs on the Cytoscape platform, which requires extensive computational resources and has limited coding flexibility...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28618237/effect-of-sweetened-dried-cranberry-consumption-on-urinary-proteome-and-fecal-microbiome-in-healthy-human-subjects
#4
Nell Bekiares, Christian G Krueger, Jennifer J Meudt, Dhanansayan Shanmuganayagam, Jess D Reed
The relationship among diet, human health, and disease is an area of growing interest in biomarker research. Previous studies suggest that the consumption of cranberries (Vaccinium macrocarpon) could beneficially influence urinary and digestive health. The present study sought to determine if daily consumption of sweetened dried cranberries (SDC) changes the urinary proteome and fecal microbiome, as determined in a prospective sample of 10 healthy individuals. Baseline urine and fecal samples were collected from the subjects in the fasted (8-12 h) state...
June 15, 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28614633/differential-sensitivity-of-total-and-active-soil-microbial-communities-to-drought-and-forest-management
#5
F Bastida, I F Torres, M Andrés-Abellán, P Baldrian, R López-Mondéjar, T Větrovský, H H Richnow, R Starke, S Ondoño, C García, F R López-Serrano, N Jehmlich
Climate change will affect semiarid ecosystems through severe droughts that increase the competition for resources in plant and microbial communities. In these habitats, adaptations to climate change may consist of thinning - that reduces competition for resources through a decrease in tree density and the promotion of plant survival. We deciphered the functional and phylogenetic responses of the microbial community to six years of drought induced by rainfall exclusion and how forest management affects its resistance to drought, in a semiarid forest ecosystem dominated by Pinus halepensis Mill...
June 14, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28566324/multi-omics-analysis-identifies-atf4-as-a-key-regulator-of-the-mitochondrial-stress-response-in-mammals
#6
Pedro M Quirós, Miguel A Prado, Nicola Zamboni, Davide D'Amico, Robert W Williams, Daniel Finley, Steven P Gygi, Johan Auwerx
Mitochondrial stress activates a mitonuclear response to safeguard and repair mitochondrial function and to adapt cellular metabolism to stress. Using a multiomics approach in mammalian cells treated with four types of mitochondrial stressors, we identify activating transcription factor 4 (ATF4) as the main regulator of the stress response. Surprisingly, canonical mitochondrial unfolded protein response genes mediated by ATF5 are not activated. Instead, ATF4 activates the expression of cytoprotective genes, which reprogram cellular metabolism through activation of the integrated stress response (ISR)...
July 3, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28526980/a-multiomics-approach-to-study-the-microbiome-response-to-phytoplankton-blooms
#7
REVIEW
Liyan Song
Phytoplankton blooms are predictable features of marine and freshwater habitats. Despite a good knowledge base of the environmental factors controlling blooms, complex interactions between the bacterial and archaeal communities and phytoplankton bloom taxa are only now emerging. Here, the current research on bacterial community's structural and functional response to phytoplankton blooms is reviewed and discussed and further research is proposed. More attention should be paid on structure and function of autotrophic bacteria and archaea during phytoplankton blooms...
May 19, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28522454/multiomic-disease-signatures-converge-to-cytotoxic-cd8-t-cells-in-primary-sj%C3%A3-gren-s-syndrome
#8
Shinya Tasaki, Katsuya Suzuki, Ayumi Nishikawa, Yoshiaki Kassai, Maiko Takiguchi, Rina Kurisu, Yuumi Okuzono, Takahiro Miyazaki, Masaru Takeshita, Keiko Yoshimoto, Hidekata Yasuoka, Kunihiro Yamaoka, Kazuhiro Ikeura, Kazuyuki Tsunoda, Rimpei Morita, Akihiko Yoshimura, Hiroyoshi Toyoshiba, Tsutomu Takeuchi
OBJECTIVES: Multiomics study was conducted to elucidate the crucial molecular mechanisms of primary Sjögren's syndrome (SS) pathology. METHODS: We generated multiple data set from well-defined patients with SS, which includes whole-blood transcriptomes, serum proteomes and peripheral immunophenotyping. Based on our newly generated data, we performed an extensive bioinformatic investigation. RESULTS: Our integrative analysis identified SS gene signatures (SGS) dysregulated in widespread omics layers, including epigenomes, mRNAs and proteins...
August 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28511181/1-cmdb-a-curated-database-of-genomic-variations-of-the-one-carbon-metabolism-pathway
#9
Manoj K Bhat, Veerendra P Gadekar, Aditya Jain, Bobby Paul, Padmalatha S Rai, Kapaettu Satyamoorthy
BACKGROUND: The one-carbon metabolism pathway is vital in maintaining tissue homeostasis by driving the critical reactions of folate and methionine cycles. A myriad of genetic and epigenetic events mark the rate of reactions in a tissue-specific manner. Integration of these to predict and provide personalized health management requires robust computational tools that can process multiomics data. The DNA sequences that may determine the chain of biological events and the endpoint reactions within one-carbon metabolism genes remain to be comprehensively recorded...
May 17, 2017: Public Health Genomics
https://www.readbyqxmd.com/read/28493232/anthracycline-induced-cardiotoxicity-biomarkers-and-omics-technology-in-the-era-of-patient-specific-care
#10
REVIEW
Shayan Moazeni, Martin Cadeiras, Eric H Yang, Mario C Deng, Kim-Lien Nguyen
Anthracyclines are highly effective against a variety of malignancies. However, their dose-dependent cardiotoxic effects can potentially limit their use. In the past decade, serum biomarkers have been used to diagnose, monitor, predict, and prognosticate disease. Biomarkers such as cardiac troponin and natriuretic peptides have some predictive value, but still lack reliability in this patient population. Novel biomarkers such as galectin-3, soluble ST-2 proteins, myeloperoxidase, and fibrocytes are being explored as potential biomarkers to reliably predict the onset of cardiotoxicity...
December 2017: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/28435675/microbiome-effects-on-immunity-health-and-disease-in-the-lung
#11
REVIEW
Shakti D Shukla, Kurtis F Budden, Rachael Neal, Philip M Hansbro
Chronic respiratory diseases, including asthma, chronic obstructive pulmonary disease (COPD) and cystic fibrosis (CF), are among the leading causes of mortality and morbidity worldwide. In the past decade, the interest in the role of microbiome in maintaining lung health and in respiratory diseases has grown exponentially. The advent of sophisticated multiomics techniques has enabled the identification and characterisation of microbiota and their roles in respiratory health and disease. Furthermore, associations between the microbiome of the lung and gut, as well as the immune cells and mediators that may link these two mucosal sites, appear to be important in the pathogenesis of lung conditions...
March 2017: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28408661/multi-omics-of-tomato-glandular-trichomes-reveals-distinct-features-of-central-carbon-metabolism-supporting-high-productivity-of-specialized-metabolites
#12
Gerd U Balcke, Stefan Bennewitz, Nick Bergau, Benedikt Athmer, Anja Henning, Petra Majovsky, José M Jiménez-Gómez, Wolfgang Hoehenwarter, Alain Tissier
Glandular trichomes are metabolic cell factories with the capacity to produce large quantities of secondary metabolites. Little is known about the connection between central carbon metabolism and metabolic productivity for secondary metabolites in glandular trichomes. To address this gap in our knowledge, we performed comparative metabolomics, transcriptomics, proteomics, and (13)C-labeling of type VI glandular trichomes and leaves from a cultivated (Solanum lycopersicum LA4024) and a wild (Solanum habrochaites LA1777) tomato accession...
May 2017: Plant Cell
https://www.readbyqxmd.com/read/28404159/a-microbiota-centric-view-of-diseases-of-the-upper-gastrointestinal-tract
#13
REVIEW
Gerardo Nardone, Debora Compare, Alba Rocco
The distinctive anatomy and physiology of the upper gastrointestinal tract and the difficulty of obtaining samples led to the theory that it was bacteria free. However, multiomics studies are indicating otherwise. Although influenced by both oral and gastric bacteria, the resident microbial ecosystem in the oesophagus is dominated by Streptococcus. A shift from Gram-positive to Gram-negative bacteria occurs in oesophagitis and Barrett's oesophagus, and this shift might be involved in the pathogenesis of oesophageal adenocarcinoma...
April 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28400203/transcriptomic-and-genomic-features-of-invasive-lobular-breast-cancer
#14
REVIEW
Christine Desmedt, Gabriele Zoppoli, Christos Sotiriou, Roberto Salgado
Accounting for 10-15% of all breast neoplasms, invasive lobular breast cancer (ILC) is the second most common histological subtype of breast cancer after invasive ductal breast cancer (IDC). Understanding ILC biology, which differs from IDC in terms of clinical presentation, treatment response, relapse timing and patterns, is essential in order to adopt novel, disease-specific management strategies. While the contribution of the histological subtypes to tumour biology has been poorly investigated and acknowledged in the past, recently several major, independent efforts have led to the assembly and molecular characterization of well-annotated ILC case sets...
April 8, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28385856/updated-reference-genome-sequence-and-annotation-of-mycobacterium-bovis-af2122-97
#15
Kerri M Malone, Damien Farrell, Tod P Stuber, Olga T Schubert, Ruedi Aebersold, Suelee Robbe-Austerman, Stephen V Gordon
We report here an update to the reference genome sequence of the bovine tuberculosis bacillus Mycobacterium bovis AF2122/97, generated using an integrative multiomics approach. The update includes 42 new coding sequences (CDSs), 14 modified annotations, 26 single-nucleotide polymorphism (SNP) corrections, and disclosure that the RD900 locus, previously described as absent from the genome, is in fact present.
April 6, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28275586/colistin-resistance-in-acinetobacter-baumannii-mdr-zj06-revealed-by-a-multiomics-approach
#16
Xiaoting Hua, Lilin Liu, Youhong Fang, Qiucheng Shi, Xi Li, Qiong Chen, Keren Shi, Yan Jiang, Hua Zhou, Yunsong Yu
Acinetobacter baumannii has emerged as an important opportunistic pathogen due to its ability to acquire resistance to most currently available antibiotics. Colistin is often considered as the last line of therapy for infections caused by multidrug-resistant A. baumannii (MDRAB). However, colistin-resistant A. baumannii strain has recently been reported. To explore how multiple drug-resistant A. baumannii responded to colistin resistance, we compared the genomic, transcriptional and proteomic profile of A. baumannii MDR-ZJ06 to the induced colistin-resistant strain ZJ06-200P5-1...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28206814/biomarkers-in-tumor-microenvironment-upregulation-of-fibroblast-activation-protein-%C3%AE-correlates-with-gastric-cancer-progression-and-poor-prognosis
#17
Mengmou Hu, Chengjia Qian, Ziwei Hu, Bojian Fei, Haibo Zhou
Gastric cancer is the third leading cause of cancer-related mortality worldwide. Recent evidence points to importance of cross talk between cancer cells and the surrounding stroma on gastric cancer progression. Tumor microenvironment biomarkers thus represent a new opportunity for diagnostics innovation. Reactive stromal fibroblasts selectively express the fibroblast activation protein alpha (FAP-α), a homodimeric integral membrane gelatinase that belongs to the serine protease family. We report here that FAP-α expression is significantly elevated in gastric cancer samples by more than fivefold (p < 0...
January 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28165029/quantitative-global-proteome-and-lysine-succinylome-analyses-provide-insights-into-metabolic-regulation-and-lymph-node-metastasis-in-gastric-cancer
#18
Yongxi Song, Jun Wang, Zhongyi Cheng, Peng Gao, Jingxu Sun, Xiaowan Chen, Chen Chen, Yunlong Wang, Zhenning Wang
With the rapid development of high-throughput quantitative proteomic and transcriptomic approaches, the molecular mechanisms of cancers have been comprehensively explored. However, cancer is a multi-dimensional disease with sophisticated regulations, and few studies focus on the crosstalk among multiomics. In order to explore the molecular mechanisms of gastric cancer (GC), particularly in the process of lymph node metastasis (LNM), we investigated dynamic profiling changes as well as crosstalk between long non-coding RNAs (lncRNAs), the proteome, and the lysine succinylome...
February 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28152499/contributions-of-polyunsaturated-fatty-acids-pufa-on-cerebral-neurobiology-an-integrated-omics-approach-with-epigenomic-focus
#19
Nabarun Chakraborty, Seid Muhie, Raina Kumar, Aarti Gautam, Seshamalini Srinivasan, Bintu Sowe, George Dimitrov, Stacy-Ann Miller, Marti Jett, Rasha Hammamieh
The epigenetic landscape is vulnerable to diets. Here, we investigated the influence of different polyunsaturated fatty acids (PUFA) dietary supplements on rodents' nervous system development and functions and potential consequences to neurodegenerative disorders. Our previous nutrigenomics study showed significant impact of high n-3 PUFA-enriched diet (ERD) on synaptogenesis and various neuromodulators. The present study introduced a second equicaloric diet with n-6 PUFA balanced by n-3 PUFA (BLD). The typical lab diet with high n-6 PUFA was the baseline...
January 5, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28126735/integrated-analysis-of-multiomic-data-reveals-the-role-of-the-antioxidant-network-in-the-quality-of-sea-buckthorn-berry
#20
Caiyun He, Guoyun Zhang, Jianguo Zhang, Yanfei Zeng, Juanjuan Liu
Berries of sea buckthorn, known as the "king of vitamin C," are abundant in antioxidants, have attractive colors, and are an excellent material with which to study the relationships between berry color, antioxidants, and berry quality. No study has yet determined the molecular basis of the relationship between sea buckhorn berries and their color and antioxidant levels. By using RNA-seq, liquid chromatography-MS/MS, and liquid chromatography/GC-MS technology and selecting red (darkest colored) and yellow (lightest colored) sea buckthorn berries at different development stages, this study showed that the red and yellow berry resulted from a higher ratio of lycopene to β-carotene and of β-carotene to lycopene content, respectively...
January 26, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
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