Regulation of calcium homeostasis and flux between the endoplasmic reticulum and the cytosol

L Daverkausen-Fischer, F Pröls - Journal of Biological Chemistry, 2022 - ASBMB
The concentration of Ca 2+ in the endoplasmic reticulum (ER) is critically important for
maintaining its oxidizing environment as well as for maintaining luminal ATP levels required …

An update on Sec61 channel functions, mechanisms, and related diseases

S Lang, S Pfeffer, PH Lee, A Cavalié, V Helms… - Frontiers in …, 2017 - frontiersin.org
The membrane of the endoplasmic reticulum (ER) of nucleated human cells harbors the
protein translocon, which facilitates membrane integration or translocation of almost every …

Let's talk about Secs: Sec61, Sec62 and Sec63 in signal transduction, oncology and personalized medicine

M Linxweiler, B Schick, R Zimmermann - Signal transduction and …, 2017 - nature.com
The heterotrimeric Sec61 complex and the dimeric Sec62/Sec63 complex are located in the
membrane of the human endoplasmic reticulum (ER) and play a central role in translocation …

Heterozygous loss-of-function SEC61A1 mutations cause autosomal-dominant tubulo-interstitial and glomerulocystic kidney disease with anemia

NA Bolar, C Golzio, M Živná, G Hayot… - The American Journal of …, 2016 - cell.com
Autosomal-dominant tubulo-interstitial kidney disease (ADTKD) encompasses a group of
disorders characterized by renal tubular and interstitial abnormalities, leading to slow …

A common mechanism of Sec61 translocon inhibition by small molecules

S Itskanov, L Wang, T Junne, R Sherriff, L Xiao… - Nature chemical …, 2023 - nature.com
The Sec61 complex forms a protein-conducting channel in the endoplasmic reticulum
membrane that is required for secretion of soluble proteins and production of many …

Identification of Oxa1 homologs operating in the eukaryotic endoplasmic reticulum

SA Anghel, PT McGilvray, RS Hegde, RJ Keenan - Cell reports, 2017 - cell.com
Members of the evolutionarily conserved Oxa1/Alb3/YidC family mediate membrane protein
biogenesis at the mitochondrial inner membrane, chloroplast thylakoid membrane, and …

BiP‐mediated closing of the Sec61 channel limits Ca2+ leakage from the ER

N Schäuble, S Lang, M Jung, S Cappel, S Schorr… - The EMBO …, 2012 - embopress.org
In mammalian cells, signal peptide‐dependent protein transport into the endoplasmic
reticulum (ER) is mediated by a dynamic protein‐conducting channel, the Sec61 complex …

Different effects of Sec61α, Sec62 and Sec63 depletion on transport of polypeptides into the endoplasmic reticulum of mammalian cells

S Lang, J Benedix, SV Fedeles, S Schorr… - Journal of cell …, 2012 - journals.biologists.com
Co-translational transport of polypeptides into the endoplasmic reticulum (ER) involves the
Sec61 channel and additional components such as the ER lumenal Hsp70 BiP and its …

Lysosomes shape Ins(1,4,5)P3-evoked Ca2+ signals by selectively sequestering Ca2+ released from the endoplasmic reticulum

CI Lopez-Sanjurjo, SC Tovey, DL Prole… - Journal of cell …, 2013 - journals.biologists.com
Most intracellular Ca2+ signals result from opening of Ca2+ channels in the plasma
membrane or endoplasmic reticulum (ER), and they are reversed by active transport across …

Complexity and specificity of Sec61-channelopathies: human diseases affecting gating of the Sec61 complex

M Sicking, S Lang, F Bochen, A Roos, JPH Drenth… - Cells, 2021 - mdpi.com
The rough endoplasmic reticulum (ER) of nucleated human cells has crucial functions in
protein biogenesis, calcium (Ca2+) homeostasis, and signal transduction. Among the …