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https://www.readbyqxmd.com/read/28525563/omics-biomarkers-in-ophthalmology
#1
Susette Lauwen, Eiko K de Jong, Dirk J Lefeber, Anneke I den Hollander
"Omics" refers to high-throughput analyses of genes, proteins, or metabolites in a biological system, and is increasingly used for ophthalmic research. These system-based approaches can unravel disease-related processes and are valuable for biomarker discovery. Furthermore, potential therapeutic targets can be identified based on omics results, and targeted follow-up experiments can be designed to gain molecular understanding of the disease and to test new therapies. Here, we review the application of omics techniques in eye diseases, focusing on age-related macular degeneration (AMD), diabetic retinopathy (DR), retinal detachment (RD), myopia, glaucoma, Fuchs' corneal dystrophy (FCD), cataract, keratoconus, and dry eyes...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28520848/pattern-fusion-analysis-by-adaptive-alignment-of-multiple-heterogeneous-omics-data
#2
Qianqian Shi, Chuanchao Zhang, Minrui Peng, Xiangtian Yu, Tao Zeng, Juan Liu, Luonan Chen
Motivation: Integrating different omics profiles is a challenging task, which provides a comprehensive way to understand complex diseases in a multi-view manner. One key for such an integration is to extract intrinsic patterns in concordance with data structures, so as to discover consistent information across various data types even with noise pollution. Thus, we proposed a novel framework called "pattern fusion analysis" (PFA), which performs automated information alignment and bias correction, to fuse local sample-patterns (e...
May 18, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28518049/red-blood-cell-storage-time-and-transfusion-current-practice-concerns-and-future-perspectives
#3
REVIEW
María García-Roa, María Del Carmen Vicente-Ayuso, Alejandro M Bobes, Alexandra C Pedraza, Ataúlfo González-Fernández, María Paz Martín, Isabel Sáez, Jerard Seghatchian, Laura Gutiérrez
Red blood cells (RBCs) units are the most requested transfusion product worldwide. Indications for transfusion include symptomatic anaemia, acute sickle cell crisis, and acute blood loss of more than 30% of the blood volume, with the aim of restoring tissue oxygen delivery. However, stored RBCs from donors are not a qualitative equal product, and, in many ways, this is a matter of concern in the transfusion practice. Besides donor-to-donor variation, the storage time influences the RBC unit at the qualitative level, as RBCs age in the storage bag and are exposed to the so-called storage lesion...
May 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28516971/salivary-biomarkers-and-proteomics-future-diagnostic-and-clinical-utilities
#4
M Castagnola, E Scarano, G C Passali, I Messana, T Cabras, F Iavarone, G Di Cintio, A Fiorita, E De Corso, G Paludetti
Saliva testing is a non-invasive and inexpensive test that can serve as a source of information useful for diagnosis of disease. As we enter the era of genomic technologies and -omic research, collection of saliva has increased. Recent proteomic platforms have analysed the human salivary proteome and characterised about 3000 differentially expressed proteins and peptides: in saliva, more than 90% of proteins in weight are derived from the secretion of three couples of "major" glands; all the other components are derived from minor glands, gingival crevicular fluid, mucosal exudates and oral microflora...
April 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28514737/integration-of-phytochemicals-and-phytotherapy-into-cancer-precision-medicine
#5
REVIEW
Thomas Efferth, Mohamed E M Saeed, Elhaj Mirghani, Awadh Alim, Zahir Yassin, Elfatih Saeed, Hassan E Khalid, Salah Daak
Concepts of individualized therapy in the 1970s and 1980s attempted to develop predictive in vitro tests for individual drug responsiveness without reaching clinical routine. Precision medicine attempts to device novel individual cancer therapy strategies. Using bioinformatics, relevant knowledge is extracted from huge data amounts. However, tumor heterogeneity challenges chemotherapy due to genetically and phenotypically different cell subpopulations, which may lead to refractory tumors. Natural products always served as vital resources for cancer therapy (e...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28509357/characterization-of-microbial-mixtures-by-mass-spectrometry
#6
REVIEW
Todd R Sandrin, Plamen A Demirev
MS applications in microbiology have increased significantly in the past 10 years, due in part to the proliferation of regulator-approved commercial MALDI MS platforms for rapid identification of clinical infections. In parallel, with the expansion of MS technologies in the "omics" fields, novel MS-based research efforts to characterize organismal as well as environmental microbiomes have emerged. Successful characterization of microorganisms found in complex mixtures of other organisms remains a major challenge for researchers and clinicians alike...
May 16, 2017: Mass Spectrometry Reviews
https://www.readbyqxmd.com/read/28508781/two-years-of-transmart-in-a-university-hospital-for-translational-research-and-education
#7
Jan Christoph, Christian Knell, Elisabeth Naschberger, Michael Stürzl, Christian Maier, Hans-Ulrich Prokosch, Martin Sedlmayr
BACKGROUND: For translational research, software platforms such as tranSMART with an integrated view of both clinical and omics data have gained more and more attention in the last years. OBJECTIVES: We wanted to examine the success and failures of tranSMART in the fields of translational research and education by looking at the examples of six use cases at our hospital. We wanted to point out suitable scenarios and user groups as well as still existing challenges and limitations...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28508360/genome-to-phenome-a-systems-biology-approach-to-ptsd-using-an-animal-model
#8
Nabarun Chakraborty, James Meyerhoff, Marti Jett, Rasha Hammamieh
Post-traumatic stress disorder (PTSD) is a debilitating illness that imposes significant emotional and financial burdens on military families. The understanding of PTSD etiology remains elusive; nonetheless, it is clear that PTSD is manifested by a cluster of symptoms including hyperarousal, reexperiencing of traumatic events, and avoidance of trauma reminders. With these characteristics in mind, several rodent models have been developed eliciting PTSD-like features. Animal models with social dimensions are of particular interest, since the social context plays a major role in the development and manifestation of PTSD...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28494184/current-status-of-research-and-treatment-for-non-small-cell-lung-cancer-in-never-smoking-females
#9
Shin Saito, Fernando Espinoza-Mercado, Hui Liu, Naohiro Sata, Xiaojiang Cui, Harmik J Soukiasian
Lung cancer is the leading cause of cancer-related deaths worldwide with over 1 million deaths each year. The overall prognosis of lung cancer patients remains unsatisfactory, with a 5-year overall survival rate of less than 15%. Although most lung cancers are a result of smoking, approximately 25% of lung cancer cases worldwide are not attributable to tobacco use. Notably, more than half of the lung cancer cases in women occur in non-smokers. Among non-small-cell lung cancer (NSCLC) cases, cigarette-smokers have a greater association with squamous cell carcinoma than adenocarcinoma, which is more common in non-smokers...
May 11, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28480472/added-value-from-secondary-use-of-person-generated-health-data-in-consumer-health-informatics-contribution-of-the-consumer-health-informatics-imia-working-group
#10
P-Y Hsueh, Y-K Cheung, S Dey, K K Kim, F J Martin-Sanchez, S K Petersen, T Wetter
INTRODUCTION: Various health-related data, subsequently called Person Generated Health Data (PGHD), is being collected by patients or presumably healthy individuals as well as about them as much as they become available as measurable properties in their work, home, and other environments. Despite that such data was originally just collected and used for dedicated predefined purposes, more recently it is regarded as untapped resources that call for secondary use. METHOD: Since the secondary use of PGHD is still at its early evolving stage, we have chosen, in this paper, to produce an outline of best practices, as opposed to a systematic review...
May 8, 2017: Yearbook of Medical Informatics
https://www.readbyqxmd.com/read/28479327/a-review-of-metabolomics-approaches-and-their-application-in-identifying-causal-pathways-of-childhood-asthma
#11
Kedir N Turi, Lindsey Romick-Rosendale, Kelli K Ryckman, Tina V Hartert
As asthma is a disease that results from host x environment interactions, an approach which allows assessment of the impact of the environment on the host is needed to understand disease. Metabolomics has appealing potential as an application to study pathways to childhood asthma development. The objective of this review is to provide an overview of metabolomics methods, and their application to understanding host x environment pathways in asthma development. We reviewed recent literature on advances in metabolomics and their application to study pathways to childhood asthma development...
May 4, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28474325/a-multidimensional-sight-on-cardiac-failure-uncovered-from-structural-to-molecular-level
#12
REVIEW
Vijay Urmaliya, Gustavo Franchelli
Heart failure is one of the leading causes of death, with high mortality rate within 5 years after diagnosis. Treatment and prognosis options for heart failure primarily targeted on hemodynamic and neurohumoral components that drive progressive deterioration of the heart. However, given the multifactorial background that eventually leads to the "phenotype" named heart failure, better insight into the various components may lead to personalized treatment opportunities. Indeed, currently used criteria to diagnose and/or classify heart failure are possibly too focused on phenotypic improvement rather than the molecular driver of the disease and could therefore be further refined by integrating the leap of molecular and cellular knowledge...
May 5, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28470828/neurological-and-neuropsychological-effects-of-low-and-moderate-prenatal-alcohol-exposure
#13
REVIEW
Erika Comasco, Jenny Rangmar, Ulf J Eriksson, Lars Oreland
Several explanations for the diverse results in research on Foetal Alcohol Spectrum Disorders (FASD) or Alcohol-Related Neuro-developmental Disorder (ARND) might be at hand: timing, amount and patterns of alcohol exposure, as well as complex epigenetic responses. The genetic background of the offspring and its interaction with other prenatal and postnatal environmental cues are likely also of importance. In the present report, key findings about the possible effects of low and moderate doses of maternal alcohol intake on the neuropsychological development of the offspring are reviewed and plausible mechanisms discussed...
May 4, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28467922/metabolic-flexibility-in-health-and-disease
#14
REVIEW
Bret H Goodpaster, Lauren M Sparks
Metabolic flexibility is the ability to respond or adapt to conditional changes in metabolic demand. This broad concept has been propagated to explain insulin resistance and mechanisms governing fuel selection between glucose and fatty acids, highlighting the metabolic inflexibility of obesity and type 2 diabetes. In parallel, contemporary exercise physiology research has helped to identify potential mechanisms underlying altered fuel metabolism in obesity and diabetes. Advances in "omics" technologies have further stimulated additional basic and clinical-translational research to further interrogate mechanisms for improved metabolic flexibility in skeletal muscle and adipose tissue with the goal of preventing and treating metabolic disease...
May 2, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28465299/risk-for-incident-heart-failure-a-subject-level-meta-analysis-from-the-heart-omics-in-ageing-homage-study
#15
REVIEW
Lotte Jacobs, Ljupcho Efremov, João Pedro Ferreira, Lutgarde Thijs, Wen-Yi Yang, Zhen-Yu Zhang, Roberto Latini, Serge Masson, Nera Agabiti, Peter Sever, Christian Delles, Naveed Sattar, Javed Butler, John G F Cleland, Tatiana Kuznetsova, Jan A Staessen, Faiez Zannad
BACKGROUND: To address the need for personalized prevention, we conducted a subject-level meta-analysis within the framework of the Heart "OMics" in AGEing (HOMAGE) study to develop a risk prediction model for heart failure (HF) based on routinely available clinical measurements. METHODS AND RESULTS: Three studies with elderly persons (Health Aging and Body Composition [Health ABC], Valutazione della PREvalenza di DIsfunzione Cardiaca asinTOmatica e di scompenso cardiaco [PREDICTOR], and Prospective Study of Pravastatin in the Elderly at Risk [PROSPER]) were included to develop the HF risk function, while a fourth study (Anglo-Scandinavian Cardiac Outcomes Trial [ASCOT]) was used as a validation cohort...
May 2, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28464877/assessment-of-knowledge-about-biobanking-among-healthcare-students-and-their-willingness-to-donate-biospecimens
#16
Leena Merdad, Lama Aldakhil, Rawan Gadi, Mourad Assidi, Salina Y Saddick, Adel Abuzenadah, Jim Vaught, Abdelbaset Buhmeida, Mohammed H Al-Qahtani
BACKGROUND: Biobanks and biospecimen collections are becoming a primary means of delivering personalized diagnostics and tailoring individualized therapeutics. This shift towards precision medicine (PM) requires interactions among a variety of stakeholders, including the public, patients, healthcare providers, government, and donors. Very few studies have investigated the role of healthcare students in biobanking and biospecimen donations. The main aims of this study were (1) to evaluate the knowledge of senior healthcare students about biobanks and (2) to assess the students' willingness to donate biospecimens and the factors influencing their attitudes...
May 2, 2017: BMC Medical Ethics
https://www.readbyqxmd.com/read/28460026/epigenomic-and-transcriptomic-approaches-in-the-post-genomic-era-path-to-novel-targets-for-diagnosis-and-therapy-of-the-ischaemic-heart-position-paper-of-the-european-society-of-cardiology-working-group-on-cellular-biology-of-the-heart
#17
Cinzia Perrino, Albert-Laszló Barabási, Gianluigi Condorelli, Sean Michael Davidson, Leon De Windt, Stefanie Dimmeler, Felix Benedikt Engel, Derek John Hausenloy, Joseph Addison Hill, Linda Wilhelmina Van Laake, Sandrine Lecour, Jonathan Leor, Rosalinda Madonna, Manuel Mayr, Fabrice Prunier, Joost Petrus Geradus Sluijter, Rainer Schulz, Thomas Thum, Kirsti Ytrehus, Péter Ferdinandy
Despite advances in myocardial reperfusion therapies, acute myocardial ischaemia/reperfusion injury and consequent ischaemic heart failure represent the number one cause of morbidity and mortality in industrialized societies. Although different therapeutic interventions have been shown beneficial in preclinical settings, an effective cardioprotective or regenerative therapy has yet to be successfully introduced in the clinical arena. Given the complex pathophysiology of the ischaemic heart, large scale, unbiased, global approaches capable of identifying multiple branches of the signalling networks activated in the ischaemic/reperfused heart might be more successful in the search for novel diagnostic or therapeutic targets...
June 1, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28459826/validation-of-standard-operating-procedures-in-a-multicenter-retrospective-study-to-identify-omics-biomarkers-for-chronic-low-back-pain
#18
Concetta Dagostino, Manuela De Gregori, Christian Gieger, Judith Manz, Ivan Gudelj, Gordan Lauc, Laura Divizia, Wei Wang, Moira Sim, Iain K Pemberton, Jane MacDougall, Frances Williams, Jan Van Zundert, Dragan Primorac, Yurii Aulchenko, Leonardo Kapural, Massimo Allegri
Chronic low back pain (CLBP) is one of the most common medical conditions, ranking as the greatest contributor to global disability and accounting for huge societal costs based on the Global Burden of Disease 2010 study. Large genetic and -omics studies provide a promising avenue for the screening, development and validation of biomarkers useful for personalized diagnosis and treatment (precision medicine). Multicentre studies are needed for such an effort, and a standardized and homogeneous approach is vital for recruitment of large numbers of participants among different centres (clinical and laboratories) to obtain robust and reproducible results...
2017: PloS One
https://www.readbyqxmd.com/read/28458064/towards-precision-prevention-technologies-for-identifying-healthy-individuals-with-high-risk-of-disease
#19
Zachary D Nagel, Bevin P Engelward, David J Brenner, Thomas J Begley, Robert W Sobol, Jason H Bielas, Peter J Stambrook, Qingyi Wei, Jennifer J Hu, Mary Beth Terry, Caroline Dilworth, Kimberly A McAllister, Les Reinlib, Leroy Worth, Daniel T Shaughnessy
The rise of advanced technologies for characterizing human populations at the molecular level, from sequence to function, is shifting disease prevention paradigms toward personalized strategies. Because minimization of adverse outcomes is a key driver for treatment decisions for diseased populations, developing personalized therapy strategies represent an important dimension of both precision medicine and personalized prevention. In this commentary, we highlight recently developed enabling technologies in the field of DNA damage, DNA repair, and mutagenesis...
April 6, 2017: Mutation Research
https://www.readbyqxmd.com/read/28450578/integrated-assessment-of-diclofenac-biotransformation-pharmacokinetics-and-omics-based-toxicity-in-a-3d-human-liver-immunocompetent-co-culture-system
#20
Ujjal Sarkar, Kodihalli C Ravindra, Emma Large, Carissa L Young, Dinelia Rivera-Burgos, Jiajie Yu, Murat Cirit, David J Hughes, John S Wishnok, Douglas A Lauffenburger, Linda G Griffith, Steven R Tannenbaum
In vitro hepatocyte culture systems have inherent limitations in capturing known human drug toxicities that arise from complex immune responses. Therefore, we established and characterized a liver immuno-competent co-culture model and evaluated diclofenac (DCF) metabolic profiles, in vitro-in vivo clearance correlations, toxicological responses, and acute phase responses using liquid chromatography tandem mass spectrometry. DCF biotransformation was assessed after 48 h of culture, and the major phase I and II metabolites were similar to the in vivo DCF metabolism profile in humans...
April 27, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
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