Graph regularized L2,1-nonnegative matrix factorization for miRNA-disease association prediction.

abstract：BACKGROUND:In microarray data analysis, factors such as data quality, biological variation, and the increasingly multi-layered nature of more complex biological systems complicates the modelling of regulatory networks that can represent and capture the interactions among genes. We believe that the use of multiple datas...

journal_title：BMC bioinformatics

authors： Anvar SY,'t Hoen PA,Tucker A

更新日期：2010-01-15 00:00:00

abstract：BACKGROUND:Genetic interaction profiles are highly informative and helpful for understanding the functional linkages between genes, and therefore have been extensively exploited for annotating gene functions and dissecting specific pathway structures. However, our understanding is rather limited to the relationship bet...

journal_title：BMC bioinformatics

authors： You ZH,Yin Z,Han K,Huang DS,Zhou X

更新日期：2010-06-24 00:00:00

abstract：BACKGROUND:Recent advances in genomics and proteomics have allowed us to study the nuances of the Warburg effect--a long-standing puzzle in cancer energy metabolism--at an unprecedented level of detail. While modern next-generation sequencing technologies are extremely powerful, the lack of appropriate data analysis to...

journal_title：BMC bioinformatics

authors： Markovets AA,Herman D

更新日期：2011-10-18 00:00:00

abstract：BACKGROUND:Similarity inference, one of the main bioinformatics tasks, has to face an exponential growth of the biological data. A classical approach used to cope with this data flow involves heuristics with large seed indexes. In order to speed up this technique, the index can be enhanced by storing additional informa...

journal_title：BMC bioinformatics

authors： Peterlongo P,Noé L,Lavenier D,Nguyen VH,Kucherov G,Giraud M

更新日期：2008-12-16 00:00:00

abstract：BACKGROUND:In microarray experiments the numbers of replicates are often limited due to factors such as cost, availability of sample or poor hybridization. There are currently few choices for the analysis of a pair of microarrays where N = 1 in each condition. In this paper, we demonstrate the effectiveness of a new al...

journal_title：BMC bioinformatics

authors： Reid RW,Fodor AA

更新日期：2008-11-21 00:00:00

abstract：BACKGROUND:Protein sequence profile-profile alignment is an important approach to recognizing remote homologs and generating accurate pairwise alignments. It plays an important role in protein sequence database search, protein structure prediction, protein function prediction, and phylogenetic analysis. RESULTS:In thi...

journal_title：BMC bioinformatics

authors： Deng X,Cheng J

更新日期：2014-07-25 00:00:00

abstract：BACKGROUND:Homology is a crucial concept in comparative genomics. The algorithm probably most widely used for homology detection in comparative genomics, is BLAST. Usually a stringent score cutoff is applied to distinguish putative homologs from possible false positive hits. As a consequence, some BLAST hits are discar...

journal_title：BMC bioinformatics

authors： Fokkens L,Botelho SM,Boekhorst J,Snel B

更新日期：2010-02-12 00:00:00

abstract：BACKGROUND:Protein sequence alignment analyses have become a crucial step for many bioinformatics studies during the past decades. Multiple sequence alignment (MSA) and pair-wise sequence alignment (PSA) are two major approaches in sequence alignment. Former benchmark studies revealed drawbacks of MSA methods on nucleo...

journal_title：BMC bioinformatics

authors： Wang Y,Wu H,Cai Y

更新日期：2018-12-31 00:00:00

abstract：BACKGROUND:Microarray technology allows the analysis of genomic aberrations at an ever increasing resolution, making functional interpretation of these vast amounts of data the main bottleneck in routine implementation of high resolution array platforms, and emphasising the need for a centralised and easy to use CNV da...

journal_title：BMC bioinformatics

authors： Vandeweyer G,Reyniers E,Wuyts W,Rooms L,Kooy RF

更新日期：2011-01-05 00:00:00

abstract：BACKGROUND:Creating a scalable computational infrastructure to analyze the wealth of information contained in data repositories is difficult due to significant barriers in organizing, extracting and analyzing relevant data. Shared data science infrastructures like Boag is needed to efficiently process and parse data co...

journal_title：BMC bioinformatics

authors： Bagheri H,Muppirala U,Masonbrink RE,Severin AJ,Rajan H

更新日期：2019-08-22 00:00:00

abstract：BACKGROUND:Antibiotics are the widely prescribed drugs for children and most likely to be related with adverse reactions. Record on adverse reactions and allergies from antibiotics considerably affect the prescription choices. We consider this a biomedical decision-making problem and explore hidden knowledge in survey ...

journal_title：BMC bioinformatics

authors： Yildirim P,Majnarić L,Ekmekci O,Holzinger A

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Glycation is a one of the post-translational modifications (PTM) where sugar molecules and residues in protein sequences are covalently bonded. It has become one of the clinically important PTM in recent times attributed to many chronic and age related complications. Being a non-enzymatic reaction, it is a g...

journal_title：BMC bioinformatics

authors： Reddy HM,Sharma A,Dehzangi A,Shigemizu D,Chandra AA,Tsunoda T

更新日期：2019-02-04 00:00:00

abstract：BACKGROUND:Statistical models and methods that associate changes in the physicochemical properties of amino acids with natural selection at the molecular level typically do not take into account the correlations between such properties. We propose a Bayesian hierarchical regression model with a generalization of the Di...

journal_title：BMC bioinformatics

authors： Datta S,Rodriguez A,Prado R

更新日期：2012-10-30 00:00:00

abstract：BACKGROUND:Network enrichment analysis is a powerful method, which allows to integrate gene enrichment analysis with the information on relationships between genes that is provided by gene networks. Existing tests for network enrichment analysis deal only with undirected networks, they can be computationally slow and a...

journal_title：BMC bioinformatics

authors： Signorelli M,Vinciotti V,Wit EC

更新日期：2016-09-05 00:00:00

abstract：BACKGROUND:The statistical modeling of biomedical corpora could yield integrated, coarse-to-fine views of biological phenomena that complement discoveries made from analysis of molecular sequence and profiling data. Here, the potential of such modeling is demonstrated by examining the 5,225 free-text items in the Caeno...

journal_title：BMC bioinformatics

authors： Blei DM,Franks K,Jordan MI,Mian IS

更新日期：2006-05-08 00:00:00

abstract：BACKGROUND:Gene expression measurements from breast cancer (BrCa) tumors are established clinical predictive tools to identify tumor subtypes, identify patients showing poor/good prognosis, and identify patients likely to have disease recurrence. However, diverse breast cancer datasets in conjunction with diagnostic cl...

journal_title：BMC bioinformatics

authors： Smith DD,Saetrom P,Snøve O Jr,Lundberg C,Rivas GE,Glackin C,Larson GP

更新日期：2008-01-28 00:00:00

abstract：BACKGROUND:The spatial configuration of chromosomes is essential to various cellular processes, notably gene regulation, while architecture related alterations, such as translocations and gene fusions, are often cancer drivers. Thus, eliciting chromatin conformation is important, yet challenging due to compaction, dyna...

journal_title：BMC bioinformatics

authors： Segal MR,Fletez-Brant K

更新日期：2020-02-24 00:00:00

abstract：BACKGROUND:Observed levels of gene expression strongly depend on both activity of DNA binding transcription factors (TFs) and chromatin state through different histone modifications (HMs). In order to recover the functional relationship between local chromatin state, TF binding and observed levels of gene expression, r...

journal_title：BMC bioinformatics

authors： Aflakparast M,Geeven G,de Gunst MCM

更新日期：2020-01-02 00:00:00

abstract：BACKGROUND:Our knowledge of global protein-protein interaction (PPI) networks in complex organisms such as humans is hindered by technical limitations of current methods. RESULTS:On the basis of short co-occurring polypeptide regions, we developed a tool called MP-PIPE capable of predicting a global human PPI network ...

journal_title：BMC bioinformatics

authors： Schoenrock A,Samanfar B,Pitre S,Hooshyar M,Jin K,Phillips CA,Wang H,Phanse S,Omidi K,Gui Y,Alamgir M,Wong A,Barrenäs F,Babu M,Benson M,Langston MA,Green JR,Dehne F,Golshani A

更新日期：2014-12-10 00:00:00

abstract：BACKGROUND:Progress in genome sequencing is proceeding at an exponential pace, and several new algal genomes are becoming available every year. One of the challenges facing the community is the association of protein sequences encoded in the genomes with biological function. While most genome assembly projects generate...

journal_title：BMC bioinformatics

authors： Lopez D,Casero D,Cokus SJ,Merchant SS,Pellegrini M

更新日期：2011-07-12 00:00:00

abstract：BACKGROUND:Recent technological advances in DNA sequencing and genotyping have led to the accumulation of a remarkable quantity of data on genetic polymorphisms. However, the development of new statistical and computational tools for effective processing of these data has not been equally as fast. In particular, Machin...

journal_title：BMC bioinformatics

authors： Lagani V,Montesanto A,Di Cianni F,Moreno V,Landi S,Conforti D,Rose G,Passarino G

更新日期：2009-06-16 00:00:00

abstract：BACKGROUND:A recently proposed method for estimating qPCR amplification efficiency E analyzes fluorescence intensity ratios from pairs of points deemed to lie in the exponential growth region on the amplification curves for all reactions in a dilution series. This method suffers from a serious problem: The resulting ra...

journal_title：BMC bioinformatics

authors： Tellinghuisen J

更新日期：2020-07-08 00:00:00

abstract：BACKGROUND:The analysis of mass spectra suggests that the existence of derivative peaks is strongly dependent on the intensity of the primary peaks. Peak selection from tandem mass spectrum is used to filter out noise and contaminant peaks. It is widely accepted that a valid primary peak tends to have high intensity an...

journal_title：BMC bioinformatics

authors： Zhang S,Wang Y,Bu D,Zhang H,Sun S

更新日期：2011-08-17 00:00:00

abstract：BACKGROUND:Many proteins contain conserved sequence patterns (motifs) that contribute to their functionality. The process of experimentally identifying and validating novel protein motifs can be difficult, expensive, and time consuming. A means for helping to identify in advance the possible function of a novel motif i...

journal_title：BMC bioinformatics

authors： Bristow F,He R,Van Domselaar G

更新日期：2011-09-26 00:00:00

abstract：BACKGROUND:High-throughput measurement of transcript intensities using Affymetrix type oligonucleotide microarrays has produced a massive quantity of data during the last decade. Different preprocessing techniques exist to convert the raw signal intensities measured by these chips into gene expression estimates. Althou...

journal_title：BMC bioinformatics

authors： Giorgi FM,Bolger AM,Lohse M,Usadel B

更新日期：2010-11-11 00:00:00

abstract：BACKGROUND:Increasing number of eQTL (Expression Quantitative Trait Loci) datasets facilitate genetics and systems biology research. Meta-analysis tools are in need to jointly analyze datasets of same or similar issue types to improve statistical power especially in trans-eQTL mapping. Meta-analysis framework is also n...

journal_title：BMC bioinformatics

authors： Di Narzo AF,Cheng H,Lu J,Hao K

更新日期：2014-11-28 00:00:00

abstract：:Many different approaches have been developed to model and simulate gene regulatory networks. We proposed the following categories for gene regulatory network models: network parts lists, network topology models, network control logic models, and dynamic models. Here we will describe some examples for each of these ca...

journal_title：BMC bioinformatics

authors： Schlitt T,Brazma A

更新日期：2007-09-27 00:00:00

abstract：BACKGROUND:Amplified fragment length polymorphism (AFLP) is a PCR-based technique that involves restriction of genomic DNA followed by ligation of adaptors to the fragments generated and selective PCR amplification of a subset of these fragments. The amplified fragments are separated on a sequencing gel and visualized ...

journal_title：BMC bioinformatics

authors： Hong Y,Chuah A

更新日期：2003-02-25 00:00:00

abstract：BACKGROUND:The identification of protein coding regions (exons) in DNA sequences using signal processing techniques is an important component of bioinformatics and biological signal processing. In this paper, a new method is presented for the identification of exonic regions in DNA sequences. This method is based on th...

journal_title：BMC bioinformatics

authors： Abbasi O,Rostami A,Karimian G

更新日期：2011-11-03 00:00:00

abstract：BACKGROUND:MHC/HLA class II molecules are important components of the immune system and play a critical role in processes such as phagocytosis. Understanding peptide recognition properties of the hundreds of MHC class II alleles is essential to appreciate determinants of antigenicity and ultimately to predict epitopes....

journal_title：BMC bioinformatics

authors： Yeturu K,Utriainen T,Kemp GJ,Chandra N

更新日期：2010-01-18 00:00:00