Structures and pH-sensing mechanism of the proton-activated chloride channel

Z Ruan, J Osei-Owusu, J Du, Z Qiu, W Lü - Nature, 2020 - nature.com
The proton-activated chloride channel (PAC) is active across a wide range of mammalian
cells and is involved in acid-induced cell death and tissue injury,–. PAC has recently been …

GolpHCat (TMEM87A), a unique voltage-dependent cation channel in Golgi apparatus, contributes to Golgi-pH maintenance and hippocampus-dependent memory

H Kang, A Han, A Zhang, H Jeong, W Koh… - Nature …, 2024 - nature.com
Impaired ion channels regulating Golgi pH lead to structural alterations in the Golgi
apparatus, such as fragmentation, which is found, along with cognitive impairment, in …

Endogenous ion channels expressed in human embryonic kidney (HEK-293) cells

J Zhang, H Yuan, X Yao, S Chen - Pflügers Archiv-European Journal of …, 2022 - Springer
Mammalian expression systems, particularly the human embryonic kidney (HEK-293) cells,
combined with electrophysiological studies, have greatly benefited our understanding of the …

Efferocytosis requires periphagosomal Ca2+-signaling and TRPM7-mediated electrical activity

MS Schappe, ME Stremska, GW Busey… - Nature …, 2022 - nature.com
Efficient clearance of apoptotic cells by phagocytosis, also known as efferocytosis, is
fundamental to developmental biology, organ physiology, and immunology. Macrophages …

Proton-activated chloride channel PAC regulates endosomal acidification and transferrin receptor-mediated endocytosis

J Osei-Owusu, J Yang, KH Leung, Z Ruan, W Lü… - Cell reports, 2021 - cell.com
During vesicular acidification, chloride (Cl−), as the counterion, provides the electrical shunt
for proton pumping by the vacuolar H+ ATPase. Intracellular CLC transporters mediate Cl …

Alkaline taste sensation through the alkaliphile chloride channel in Drosophila

T Mi, JO Mack, W Koolmees, Q Lyon… - Nature …, 2023 - nature.com
The sense of taste is an important sentinel governing what should or should not be ingested
by an animal, with high pH sensation playing a critical role in food selection. Here we …

Gating choreography and mechanism of the human proton-activated chloride channel ASOR

C Wang, MM Polovitskaya, BD Delgado, TJ Jentsch… - Science …, 2022 - science.org
The proton-activated chloride channel ASOR (TMEM206/PAC) permeates anions across
cellular membranes in response to acidification, thereby enhancing acid-induced cell death …

Cryo-EM structure of a proton-activated chloride channel TMEM206

Z Deng, Y Zhao, J Feng, J Zhang, H Zhao, MJ Rau… - Science …, 2021 - science.org
TMEM206 has been recently identified as an evolutionarily conserved chloride channel that
underlies ubiquitously expressed, proton-activated, outwardly rectifying anion currents …

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 …

Gene expression profiling reveals a conserved microglia signature in larval zebrafish

J Mazzolini, S Le Clerc, G Morisse, C Coulonges… - Glia, 2020 - Wiley Online Library
Microglia are the resident macrophages of the brain. Over the past decade, our
understanding of the function of these cells has significantly improved. Microglia do not only …