pH and proton-sensitive receptors in brain ischemia

X Zha, ZG Xiong, RP Simon - Journal of Cerebral Blood Flow …, 2022 - journals.sagepub.com
Extracellular proton concentration is at 40 nM when pH is 7.4. In disease conditions such as
brain ischemia, proton concentration can reach µM range. To respond to this increase in …

Acid-sensing ion channels and mechanosensation

N Ruan, J Tribble, AM Peterson, Q Jiang… - International journal of …, 2021 - mdpi.com
Acid-sensing ion channels (ASICs) are mainly proton-gated cation channels that are
activated by pH drops and nonproton ligands. They are part of the degenerin/epithelial …

Mechanisms of action of the peptide toxins targeting human and rodent acid-sensing ion channels and relevance to their in vivo analgesic effects

C Verkest, M Salinas, S Diochot, E Deval, E Lingueglia… - Toxins, 2022 - mdpi.com
Acid-sensing ion channels (ASICs) are voltage-independent H+-gated cation channels
largely expressed in the nervous system of rodents and humans. At least six isoforms …

The role of zinc in modulating acid-sensing ion channel function

AW Sun, MH Wu, M Vijayalingam, MJ Wacker, XP Chu - Biomolecules, 2023 - mdpi.com
Acid-sensing ion channels (ASICs) are proton-gated, voltage-independent sodium channels
widely expressed throughout the central and peripheral nervous systems. They are involved …

Possible compensatory role of ASICs in glutamatergic synapses

KK Evlanenkov, AS Zhigulin, DB Tikhonov - International Journal of …, 2023 - mdpi.com
Proton-gated channels of the ASIC family are widely distributed in central neurons,
suggesting their role in common neurophysiological functions. They are involved in …

Dietary acid load, depression, and anxiety: results of a population-based study

H Bahari, N Seifi, E Foroumandi, F Kourepaz… - BMC psychiatry, 2023 - Springer
Background Dietary acid load seems to be associated with psychological disorders through
several mechanisms, and may barricade their treatment and recovery. The aim of current …

Acid-sensing ion channel 1a modulation of apoptosis in acidosis-related diseases: implications for therapeutic intervention

Z Zhang, M Chen, W Zhan, Y Chen, T Wang… - Cell Death …, 2023 - nature.com
Acid-sensing ion channel 1a (ASIC1a), a prominent member of the acid-sensing ion channel
(ASIC) superfamily activated by extracellular protons, is ubiquitously expressed throughout …

Bicarbonate secretion and acid/base sensing by the intestine

HM Becker, UE Seidler - Pflügers Archiv-European Journal of Physiology, 2024 - Springer
The transport of bicarbonate across the enterocyte cell membrane regulates the intracellular
as well as the luminal pH and is an essential part of directional fluid movement in the gut …

A review of stress-induced hyperglycaemia in the context of acute ischaemic stroke: definition, underlying mechanisms, and the status of insulin therapy

M Yao, Y Hao, T Wang, M Xie, H Li, J Feng… - Frontiers in …, 2023 - frontiersin.org
The transient elevation of blood glucose produced following acute ischaemic stroke (AIS)
has been described as stress-induced hyperglycaemia (SIH). SIH is common even in …

Spreading depolarizations pose critical energy challenges in acute brain injury

BE Lindquist - Journal of Neurochemistry, 2024 - Wiley Online Library
Spreading depolarization (SD) is an electrochemical wave of neuronal depolarization
mediated by extracellular K+ and glutamate, interacting with voltage‐gated and ligand …