Epithelial sodium channel (ENaC) family: Phylogeny, structure–function, tissue distribution, and associated inherited diseases

I Hanukoglu, A Hanukoglu - Gene, 2016 - Elsevier
The epithelial sodium channel (ENaC) is composed of three homologous subunits and
allows the flow of Na+ ions across high resistance epithelia, maintaining body salt and water …

Atomic force microscopy (AFM) applications in arrhythmogenic cardiomyopathy

B Peña, M Adbel-Hafiz, M Cavasin, L Mestroni… - International journal of …, 2022 - mdpi.com
Arrhythmogenic cardiomyopathy (ACM) is an inherited heart muscle disorder characterized
by progressive replacement of cardiomyocytes by fibrofatty tissue, ventricular dilatation …

Varying Selection Pressure for a Na+ Sensing Site in Epithelial Na+ Channel Subunits Reflect Divergent Roles in Na+ Homeostasis

XP Wang, P Srinivasan, M El Hamdaoui… - Molecular Biology …, 2024 - academic.oup.com
Abstract The epithelial Na+ channel (ENaC) emerged early in vertebrates and has played a
role in Na+ and fluid homeostasis throughout vertebrate evolution. We previously showed …

Na+ inhibits the epithelial Na+ channel by binding to a site in an extracellular acidic cleft

OB Kashlan, BM Blobner, Z Zuzek, M Tolino… - Journal of Biological …, 2015 - ASBMB
The epithelial Na+ channel (ENaC) has a key role in the regulation of extracellular fluid
volume and blood pressure. ENaC belongs to a family of ion channels that sense the …

Extracellular intersubunit interactions modulate epithelial Na+ channel gating

L Zhang, X Wang, J Chen, S Sheng… - Journal of Biological …, 2023 - ASBMB
Epithelial Na+ channels (ENaCs) and related channels have large extracellular domains
where specific factors interact and induce conformational changes, leading to altered …

Intersubunit conformational changes mediate epithelial sodium channel gating

DM Collier, VR Tomkovicz, ZJ Peterson… - Journal of General …, 2014 - rupress.org
The epithelial Na+ channel (ENaC) functions as a pathway for Na+ absorption in the kidney
and lung, where it is crucial for Na+ homeostasis and blood pressure regulation. However …

The role of pendrin in blood pressure regulation

SM Wall - American Journal of Physiology-Renal …, 2016 - journals.physiology.org
Pendrin is a Na+-independent Cl−/HCO3− exchanger found in the apical regions of type B
and non-A, non-B intercalated cells within the aldosterone-sensitive region of the nephron …

Incorporation of the δ-subunit into the epithelial sodium channel (ENaC) generates protease-resistant ENaCs in Xenopus laevis

L Wichmann, KS Vowinkel, A Perniss, I Manzini… - Journal of Biological …, 2018 - ASBMB
The epithelial sodium channel (ENaC) is a critical regulator of vertebrate electrolyte
homeostasis. ENaC is the only constitutively open ion channel in the degenerin/ENaC …

Accessibility of ENaC extracellular domain central core residues

L Zhang, X Wang, J Chen, TR Kleyman… - Journal of Biological …, 2022 - ASBMB
The epithelial Na+ channel (ENaC)/degenerin family has a similar extracellular architecture,
where specific regulatory factors interact and alter channel gating behavior. The …

Changes in pH and NADPH regulate the DNA binding activity of neuronal PAS domain protein 2, a mammalian circadian transcription factor

K Yoshii, F Tajima, S Ishijima, I Sagami - Biochemistry, 2015 - ACS Publications
Neuronal PAS domain protein 2 (NPAS2) is a core clock transcription factor that forms a
heterodimer with BMAL1 to bind the E-box in the promoter of clock genes and is regulated …