Results 111 to 120 of about 7,604,628 (414)

Epigenetic blind spots – the role of DNA methylation dynamics in stem cell‐based models of embryogenesis

FEBS Letters, EarlyView.
Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil, Anna Corrà, Annalisa Scapolatiello, Chengxiang Qiu, Gianluca Amadei   +4 more
wiley   +1 more source

Study of the IGBT Failure in Megawatt Power Assembly

Kongzhi Yu Xinxi Jishu, 2015
According to the engineering application, IGBT failure of megawatt power assembly was analyzed theoretically, and the mechanism and judgment of IGBT failure were summarized and studied, which is easy for people to find out the failure causes and ...
HUANG Nan, WANG Shiping, SONG Zizhen
doaj  

Mechanical stress induced electrical emissions in cement based materials

, 2009
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This work deals with the underlying physical mechanisms and processes that dominate the fracture of cement based materials and their electrical properties ...
Kyriazopoulos, Antonios
core  

Spironolactone promotes autophagy via inhibiting PI3K/AKT/mTOR signalling pathway and reduce adhesive capacity damage in podocytes under mechanical stress

Bioscience Reports, 2016
Mechanical stress which would cause deleterious adhesive effects on podocytes is considered a major contributor to the early progress of diabetic nephropathy (DN).
Dong Li, Zhenyu Lu, Zhongwei Xu, J. Ji, Zhenfeng Zheng, Shan Lin, T. Yan   +6 more
semanticscholar   +1 more source

Epigenetic mechanisms of stress and depression

Psychiatria Polska, 2019
Etiopatogeneza zaburzeń nastroju, nie jest w pełni poznana. Wśród możliwych przyczyn tych zaburzeń bierze się pod uwagę czynniki genetyczne. Dotychczas nie udało się zidentyfikować mutacji pojedynczego genu odpowiadającego za objawy kliniczne, dlatego w etiologii tych chorób sugeruje się udział mechanizmów epigenetycznych, które polegają na wywołaniu ...
Natalia, Chmielewska, Janusz, Szyndler, Piotr, Maciejak, Adam, Płaźnik   +3 more
openaire   +2 more sources

Residual tail twisting in ascidian larvae is stabilized by asymmetric myofibrils that resist bilateral symmetry restoration

FEBS Letters, EarlyView.
Ascidian Ciona larvae initially show strong clockwise tail twisting, which is largely corrected during development. However, a small residual twist remains. This study shows that organized helical myofibrils in tail muscles mechanically stabilize this residual asymmetry, preventing complete restoration of bilateral symmetry and revealing how embryos ...
Yuki S. Kogure, Misaki K. Nishio, Satoru Okuda, Kohji Hotta   +3 more
wiley   +1 more source

Cellular signaling pathways in the nervous system activated by various mechanical and electromagnetic stimuli

Frontiers in Molecular Neuroscience
Mechanical stimuli, such as stretch, shear stress, or compression, activate a range of biomolecular responses through cellular mechanotransduction. In the nervous system, studies on mechanical stress have highlighted key pathophysiological mechanisms ...
Youngjae Ryu, Aboubacar Wague, Aboubacar Wague, Xuhui Liu, Xuhui Liu, Brian T. Feeley, Brian T. Feeley, Adam R. Ferguson, Adam R. Ferguson, Adam R. Ferguson, Kazuhito Morioka, Kazuhito Morioka, Kazuhito Morioka, Kazuhito Morioka   +13 more
doaj   +1 more source

Advanced Magnetic Materials for Aeronautics

Fatigue of Aircraft Structures, 2014
In the field of magnetic sensors, magnetic microwires with positive magnetostriction are the materials of the future. Their mechanical and magnetic properties render them ideal materials for applications in aeronautics.
Šmelko Miroslav, Praslička Dušan, Blažek Josef   +2 more
doaj   +1 more source

The effect of vibratory stress on the welding microstructure and residual stress distribution

, 2001
Previous studies have suggested that weld microstructure may be modified by the presence of static stresses. In this investigation, vibratory stress was applied to mild steel specimens while they were being welded to observe its effect on the residual ...
Waddell, A.J., Walker, C.A., Munsi, A.S.M.Y.   +2 more
core  

Plants Stress: Salt Stress and Mechanisms of Stress Tolerance

Current Agriculture Research Journal, 2023
A diverse combination of biotic and abiotic pressures makes up the environment that plants naturally inhabit. These pressures cause similarly complicated responses in plants. The purpose of the review is to critically evaluate the effects of various stress stimuli on higher plants with an emphasis on the typical and distinctive dose-dependent responses
openaire   +1 more source