Results 81 to 90 of about 964,701 (265)

Cellular Stresses and Stress Responses in the Pathogenesis of Insulin Resistance [PDF]

open access: yesOxidative Medicine and Cellular Longevity, 2018
Insulin resistance (IR), a key component of the metabolic syndrome, precedes the development of diabetes, cardiovascular disease, and Alzheimer’s disease. Its etiological pathways are not well defined, although many contributory mechanisms have been established.
openaire   +2 more sources

Pre‐analytical optimization of cell‐free DNA and extracellular vesicle‐derived DNA for mutation detection in liquid biopsies

open access: yesMolecular Oncology, EarlyView.
Pre‐analytical handling critically determines liquid biopsy performance. This study defines practical best‐practice conditions for cell‐free DNA (cfDNA) and extracellular vesicle–derived DNA (evDNA), showing how processing time, storage conditions, tube type, and plasma input volume affect DNA integrity and mutation detection.
Jonas Dohmen   +11 more
wiley   +1 more source

HebQTLs reveal intra-subgenome regulation inducing unbalanced expression and function among bread wheat homoeologs

open access: yesGenome Biology
Background Polyploidy contains multiple gene copies, known as homoeologs. Differential expression of homoeologs confers expression plasticity and facilitates the adaptation and domestication of major polyploid crops.
Xiaoming Wang   +10 more
doaj   +1 more source

Stress and resistance to stress of students

open access: yesRUDN Journal of Ecology and Life Safety, 2013
Concepts of a stress and resistance to stress are considered. The review of researches in the field of studying of a stress and methods of increase of a resistance to stress of students of higher educational institutions is carried out, and also the actual directions of research in these areas are defined.
openaire   +1 more source

Mechanism of Resistance to Oxidative Stress in Doxorubicin Resistant Cells.

open access: yesBiological and Pharmaceutical Bulletin, 2001
Doxorubicin (DOX) is an anthracycline drug widely used in chemotherapy for cancer patients, but it often gives rise to multidrug resistance in cancer cells. The purpose of this work was to study the effect of hydrogen peroxide in DOX-sensitive mouse P388/S leukemia cells and in the DOX-resistant cell line.
FURUSAWA, Shinobu   +9 more
openaire   +3 more sources

EDNRB‐dependent endothelin signaling reduces proliferation and promotes proneural‐to‐mesenchymal transition in gliomas

open access: yesMolecular Oncology, EarlyView.
Glioma cells mainly express the endothelin receptor EDNRB, while EDNRA is restricted to a perivascular tumor subpopulation. Endothelin signaling reduces glioma cell proliferation while promoting migration and a proneural‐to‐mesenchymal transition associated with poor prognosis. This pathway activates Ca2+, K+, ERK, and STAT3 signalings and is regulated
Donovan Pineau   +36 more
wiley   +1 more source

In vitro method for early evaluation of nitrogen use efficiency associated traits in potato

open access: yesJournal of Applied Botany and Food Quality, 2014
The objective of the present study was to characterize various traits associated with nitrogen uptake and utilization in a range of potato cultivars. For this purpose an in vitro test system was developed which allows analyzing specific stress responses ...
Annegret Schum, Gisela Jansen
doaj   +1 more source

Dual PI3K/AKT and CDK4/6 inhibition reveals selective sensitivity in an SHH medulloblastoma stem cell model

open access: yesMolecular Oncology, EarlyView.
Targeted therapy was evaluated in SHH medulloblastoma using neuroepithelial stem cell (NES) and tumor‐derived NES‐like (tNES) models in 2D monolayers and 3D spheroids. PI3K, AKT, and CDK4/6 inhibitors had minimal effects in NES but markedly reduced viability and growth and induced apoptosis in tNES cells, revealing distinct therapeutic vulnerabilities.
Monika Lukoseviciute   +4 more
wiley   +1 more source

Establishment of a humanized patient‐derived xenograft mouse model of high‐grade serous ovarian cancer for preclinical evaluation of combination immunotherapy

open access: yesMolecular Oncology, EarlyView.
We have established a humanized orthotopic patient‐derived xenograft (Hu‐oPDX) mouse model of high‐grade serous ovarian cancer (HGSOC) that recapitulates human tumor–immune interactions. Using combined anti‐PD‐L1/anti‐CD73 immunotherapy, we demonstrate the model's improved biological relevance and enhanced translational value for preclinical ...
Luka Tandaric   +10 more
wiley   +1 more source

PsAF5 functions as an essential adapter for PsPHB2-mediated mitophagy under ROS stress in Phytophthora sojae

open access: yesNature Communications
Host-derived reactive oxygen species (ROS) are an important defense means to protect against pathogens. Although mitochondria are the main intracellular targets of ROS, how pathogens regulate mitochondrial physiology in response to oxidative stress ...
Wenhao Li   +6 more
doaj   +1 more source

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