Results 71 to 80 of about 7,468,732 (318)

A Comparative Study of Cerebral Oxygenation During Exercise in Hemodialysis and Peritoneal Dialysis Patients

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Cognitive impairment and exercise intolerance are common in dialysis patients. Cerebral perfusion and oxygenation play a major role in both cognitive function and exercise execution; HD session per se aggravates cerebral ischemia in this population. This study aimed to compare cerebral oxygenation and perfusion at rest and in mild
Marieta P. Theodorakopoulou, Konstantina Dipla, Danai Faitatzidou, Fotini Iatridi, Areti Georgiou, Artemios Karagiannidis, Erasmia Sampani, Chrysostomos Dimitriadis, Aggelos Koutlas, Andreas Zafeiridis, Pantelis Sarafidis   +10 more
wiley   +1 more source

A comprehensive survey of regulatory network inference methods using single cell RNA sequencing data

Briefings Bioinform., 2020
Gene regulatory network is a complicated set of interactions between genetic materials, which dictates how cells develop in living organisms and react to their surrounding environment.
Hung Nguyen, Duc Tran, Bang Tran, Bahadir A. Pehlivan, Tin Nguyen   +4 more
semanticscholar   +1 more source

A multi-class logistic regression algorithm to reliably infer network connectivity from cell membrane potentials

Frontiers in Applied Mathematics and Statistics, 2022
In neuroscience, the structural connectivity matrix of synaptic weights between neurons is one of the critical factors that determine the overall function of a network of neurons.
Thierry Nieus, Daniele Borgonovo, Shyam Diwakar, Shyam Diwakar, Giacomo Aletti, Giovanni Naldi   +5 more
doaj   +1 more source

Gene-network inference by message passing

, 2008
The inference of gene-regulatory processes from gene-expression data belongs to the major challenges of computational systems biology. Here we address the problem from a statistical-physics perspective and develop a message-passing algorithm which is ...
A Braunstein, A Pagnani, Alberts B, Braunstein A, Butte A J, Gasch A P, Kabashima Y, M Weigt, Murphy K, R Zecchina, Segal E   +10 more
core   +2 more sources

Spurious inference when comparing networks [PDF]

Proceedings of the National Academy of Sciences, 2019
AbstractComparing networks is challenging. Social networks can be shaped by many factors. Failing to adequately consider non-social processes, including sampling artefacts, can lead to spurious conclusions about differences in social networks among groups.
Farine, Damien R., Aplin, Lucy M.
openaire   +3 more sources

Mapping the evolution of mitochondrial complex I through structural variation

FEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin, Tingting Chen, James A. Letts   +2 more
wiley   +1 more source

Large-scale directed network inference with multivariate transfer entropy and hierarchical statistical testing [PDF]

Network Neuroscience, 2019
Network inference algorithms are valuable tools for the study of large-scale neuroimaging datasets. Multivariate transfer entropy is well suited for this task, being a model-free measure that captures nonlinear and lagged dependencies between time series
Leonardo Novelli, Patricia Wollstadt, Pedro Mediano, M. Wibral, J. Lizier   +4 more
semanticscholar   +1 more source

Modeling social networks from sampled data

, 2010
Network models are widely used to represent relational information among interacting units and the structural implications of these relations. Recently, social network studies have focused a great deal of attention on random graph models of networks ...
Gile, Krista J., Handcock, Mark S.
core   +1 more source

Phosphatidylinositol 4‐kinase as a target of pathogens—friend or foe?

FEBS Letters, EarlyView.
This graphical summary illustrates the roles of phosphatidylinositol 4‐kinases (PI4Ks). PI4Ks regulate key cellular processes and can be hijacked by pathogens, such as viruses, bacteria and parasites, to support their intracellular replication. Their dual role as essential host enzymes and pathogen cofactors makes them promising drug targets.
Ana C. Mendes, Guilherme M. Azevedo, Amanda P. Barcellos, Diana Bahia   +3 more
wiley   +1 more source

Node Metadata Can Produce Predictability Crossovers in Network Inference Problems

Physical Review X, 2022
Network inference is the process of learning the properties of complex networks from data. Besides using information about known links in the network, node attributes and other forms of network metadata can help solve network inference problems.
Oscar Fajardo-Fontiveros, Roger Guimerà, Marta Sales-Pardo   +2 more
doaj   +1 more source