Combining native mass spectrometry and lipidomics to uncover specific membrane protein–lipid interactions from natural lipid sources

Y Zhu, MT Odenkirk, P Qiao, T Zhang, S Schrecke… - Chemical …, 2023 - pubs.rsc.org
While it is known that lipids play an essential role in regulating membrane protein structure
and function, it remains challenging to identify specific protein–lipid interactions. Here, we …

TREK-1 in the heart: Potential physiological and pathophysiological roles

E Bechard, J Bride, JY Le Guennec, F Brette… - Frontiers in …, 2022 - frontiersin.org
The TREK-1 channel belongs to the TREK subfamily of two-pore domains channels that are
activated by stretch and polyunsaturated fatty acids and inactivated by Protein Kinase A …

Negative Influence by the Force: Mechanically Induced Hyperpolarization via K2P Background Potassium Channels

M Lengyel, P Enyedi, G Czirják - International Journal of Molecular …, 2021 - mdpi.com
The two-pore domain K2P subunits form background (leak) potassium channels, which are
characterized by constitutive, although not necessarily constant activity, at all membrane …

Single infrared light pulses induce excitatory and inhibitory neuromodulation

X Zhu, JW Lin, A Turnali, MY Sander - Biomedical Optics Express, 2022 - opg.optica.org
The excitatory and inhibitory effects of single and brief infrared (IR) light pulses (2 µm) with
millisecond durations and various power levels are investigated with a custom-built fiber …

TREK-1 inhibition promotes synaptic plasticity in the prelimbic cortex

J Francis-Oliveira, GSV Higa, FJC Viana… - Experimental …, 2024 - Elsevier
Synaptic plasticity is one of the putative mechanisms involved in the maturation of the
prefrontal cortex (PFC) during postnatal development. Early life stress (ELS) affects the …

Activation of hTREK-1 by polyunsaturated fatty acids involves direct interaction

E Bechard, E Arel, J Bride, J Louradour, X Bussy… - Scientific Reports, 2024 - nature.com
TREK-1 is a mechanosensitive channel activated by polyunsaturated fatty acids (PUFAs). Its
activation is supposed to be linked to changes in membrane tension following PUFAs …

TREK-1 potassium channels participate in acute and long-lasting nociceptive hypersensitivity induced by formalin in rats

G García, VA Martínez-Rojas, J Murbartián - Behavioural Brain Research, 2021 - Elsevier
TREK-1 channels are expressed in small nociceptive dorsal root ganglion (DRG) neurons
where they participate in acute inflammatory and neuropathic pain. However, the role of …

Blocking Two-Pore Domain Potassium Channel TREK-1 Inhibits the Activation of A1-Like Reactive Astrocyte Through the NF-κB Signaling Pathway in a Rat Model of …

T Cong, Y Sun, Y Zhou, H Wu, L Li, Z Chu… - Neurochemical …, 2023 - Springer
Major depressive disorder (MDD) refers to a widespread psychiatric disorder. Astrocytes
play a pivotal role in regulating inflammation which is a well-acknowledged key component …

Spadin modulates astrocytic passive conductance via inhibition of TWIK-1/TREK-1 heterodimeric channels

Y Bae, JH Choi, K Ryoo, A Kim, O Kwon… - International journal of …, 2020 - mdpi.com
Astrocytes, the most abundant cell type in the brain, are non-excitable cells and play critical
roles in brain function. Mature astrocytes typically exhibit a linear current–voltage …

Myometrium infection decreases TREK1 through NHE1 and increases contraction in pregnant mice

H Yu, X Wang, R Tian, X Li, C Xu… - American Journal of …, 2024 - journals.physiology.org
Intrauterine infection during pregnancy can enhance uterine contractions. A two-pore K+
channel TREK1 is crucial for maintaining uterine quiescence and reducing contractility, with …