scholarly journals A Self‐Powered Piezo‐Bioelectric Device Regulates Tendon Repair‐Associated Signaling Pathways through Modulation of Mechanosensitive Ion Channels (Adv. Mater. 40/2021)

2021 ◽  
Vol 33 (40) ◽  
pp. 2170315
Author(s):  
Marc A. Fernandez‐Yague ◽  
Alexandre Trotier ◽  
Secil Demir ◽  
Sunny Akogwu Abbah ◽  
Aitor Larrañaga ◽  
...  
2021 ◽  
pp. 2008788
Author(s):  
Marc A. Fernandez‐Yague ◽  
Alexandre Trotier ◽  
Secil Demir ◽  
Sunny Akogwu Abbah ◽  
Aitor Larrañaga ◽  
...  

Mathematics ◽  
2021 ◽  
Vol 9 (4) ◽  
pp. 323
Author(s):  
Martina Nicoletti ◽  
Letizia Chiodo ◽  
Alessandro Loppini

Mechanosensing is a key feature through which organisms can receive inputs from the environment and convert them into specific functional and behavioral outputs. Mechanosensation occurs in many cells and tissues, regulating a plethora of molecular processes based on the distribution of forces and stresses both at the cell membrane and at the intracellular organelles levels, through complex interactions between cells’ microstructures, cytoskeleton, and extracellular matrix. Although several primary and secondary mechanisms have been shown to contribute to mechanosensation, a fundamental pathway in simple organisms and mammals involves the presence of specialized sensory neurons and the presence of different types of mechanosensitive ion channels on the neuronal cell membrane. In this contribution, we present a review of the main ion channels which have been proven to be significantly involved in mechanotransduction in neurons. Further, we discuss recent studies focused on the biological mechanisms and modeling of mechanosensitive ion channels’ gating, and on mechanotransduction modeling at different scales and levels of details.


2021 ◽  
Author(s):  
Jung-uk Lee ◽  
Wookjin Shin ◽  
Yongjun Lim ◽  
Jungsil Kim ◽  
Woon Ryoung Kim ◽  
...  

Author(s):  
Ali Momin ◽  
Shahrzad Bahrampour ◽  
Hyun-Kee Min ◽  
Xin Chen ◽  
Xian Wang ◽  
...  

eLife ◽  
2015 ◽  
Vol 4 ◽  
Author(s):  
Yunlei Yang ◽  
Peter Lee ◽  
Scott M Sternson

N-Methyl-D-aspartate receptors (NMDA-Rs) are ion channels that are important for synaptic plasticity, which is involved in learning and drug addiction. We show enzymatic targeting of an NMDA-R antagonist, MK801, to a molecularly defined neuronal population with the cell-type-selectivity of genetic methods and the temporal control of pharmacology. We find that NMDA-Rs on dopamine neurons are necessary for cocaine-induced synaptic potentiation, demonstrating that cell type-specific pharmacology can be used to dissect signaling pathways within complex brain circuits.


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