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2023

Новости за 13.09.2023

Mechanism of spirometry associated gastro-esophageal reflux in individuals undergoing esophageal assessment

Plos.org 

by Matthew Xu, John D. Brannan, Vincent Ho, Jerry Zhou

Persistent variability observed during spirometry, even when technical and personal factors are controlled, has prompted interest in uncovering its underlying mechanisms. Notably, our prior investigations have unveiled that spirometry has the potential to trigger gastro-esophageal reflux in a susceptible population. This current study embarks on elucidating the intricate mechanisms orchestrating reflux induced by spirometry. To achieve this... Читать дальше...

Deviation of peak hours for metro stations based on least square support vector machine

Plos.org 

by Lijie Yu, Mengying Cui, Shian Dai

The station-level ridership during the peak hour is one of the key indicators for the design of station size and relevant facilities. However, with the operation of metro system, it cannot be ignored that, in many cities, the station peak and the city peak may not be simultaneously occurred. As the current ridership forecasting methods use the city peak as the point of reference, stations with wide differences of ridership in between would experience disorders... Читать дальше...

Reduced visual context effects in global motion processing in depression

Plos.org 

by Grace E. Murray, Daniel J. Norton

Research supports abnormal inhibitory visual motion processing in adults with remitted and current depression, but all studies to date have used paradigms with simple grating stimuli. Global motion processing, where multiple motion signals must be integrated, has not been explored in depression, nor have inhibitory processes within that domain. Depressed participants (n = 46) and healthy controls (n = 28) completed a direction discrimination task featuring a random dot pattern stimulus. Читать дальше...



Inferring gene regulatory network from single-cell transcriptomes with graph autoencoder model

Plos.org 

by Jiacheng Wang, Yaojia Chen, Quan Zou

The gene regulatory structure of cells involves not only the regulatory relationship between two genes, but also the cooperative associations of multiple genes. However, most gene regulatory network inference methods for single cell only focus on and infer the regulatory relationships of pairs of genes, ignoring the global regulatory structure which is crucial to identify the regulations in the complex biological systems. Here, we proposed a graph-based... Читать дальше...

Uncovering specific mechanisms across cell types in dynamical models

Plos.org 

by Adrian L. Hauber, Marcus Rosenblatt, Jens Timmer

Ordinary differential equations are frequently employed for mathematical modeling of biological systems. The identification of mechanisms that are specific to certain cell types is crucial for building useful models and to gain insights into the underlying biological processes. Regularization techniques have been proposed and applied to identify mechanisms specific to two cell types, e.g., healthy and cancer cells, including the LASSO (least absolute shrinkage and selection operator). Читать дальше...

Wounding the stroma: Docetaxel’s role in dormant breast cancer escape

Plos.org 

by Tyler T. Cooper, Lynne-Marie Postovit

The mechanistic underpinnings of breast cancer recurrence following periods of dormancy are largely undetermined. A new study in PLOS Biology reveals that docetaxel-induced injury of tumour stromal cells stimulates the release of cytokines that support dormancy escape of breast cancer cells. The mechanistic underpinnings of breast cancer recurrence following periods of dormancy are largely undetermined. This Primer explores a new study in PLOS Biology... Читать дальше...

Elephant Rumblings: Montas - Trivino trade could be paying off

Athletics Nation 

Troy Taormina-USA TODAY Sports

MLB news roundup

Happy Wednesday, Athletics Nation!

Last year, the rebuilding Oakland A’s traded top starting pitcher Frankie Montas to the Yankees, with the briefly brilliant reliever Lou Trivino riding sidecar alongside Montas to New York City. Sadly, neither Frankie nor Lou has pitched in 2023.

In return, the A’s got pitching prospects Ken Waldichuk, JP Sears, and Luis Medina along with second baseman Cooper Bowman. Now, the three... Читать дальше...





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