The ER-mitochondria interface, where Ca2+ and cell death meet

I de Ridder, M Kerkhofs, FO Lemos, J Loncke… - Cell calcium, 2023 - Elsevier
Endoplasmic reticulum (ER)-mitochondria contact sites are crucial to allow Ca 2+ flux
between them and a plethora of proteins participate in tethering both organelles together …

Understanding IP3R channels: From structural underpinnings to ligand-dependent conformational landscape

MR Baker, G Fan, V Arige, DI Yule, II Serysheva - Cell Calcium, 2023 - Elsevier
Abstract Inositol 1, 4, 5-trisphosphate receptors (IP 3 Rs) are ubiquitously expressed large-
conductance Ca 2+-permeable channels predominantly localized to the endoplasmic …

Lidocaine induces apoptosis in head and neck squamous cell carcinoma through activation of bitter taste receptor T2R14

ZA Miller, A Mueller, TB Kim, JF Jolivert, RZ Ma… - Cell reports, 2023 - cell.com
Head and neck squamous cell carcinomas (HNSCCs) have high mortality and significant
treatment-related morbidity. It is vital to discover effective, minimally invasive therapies that …

Structural titration reveals Ca2+-dependent conformational landscape of the IP3 receptor

N Paknejad, V Sapuru, RK Hite - Nature Communications, 2023 - nature.com
Abstract Inositol 1, 4, 5-trisphosphate receptors (IP3Rs) are endoplasmic reticulum Ca2+
channels whose biphasic dependence on cytosolic Ca2+ gives rise to Ca2+ oscillations that …

[HTML][HTML] Human IP3 receptor triple knockout stem cells remain pluripotent despite altered mitochondrial metabolism

J Rönkkö, Y Rodriguez, T Rasila… - Cell Calcium, 2023 - Elsevier
Abstract Inositol 1, 4, 5-trisphosphate receptors (IP 3 Rs) are ER Ca 2+-release channels
that control a broad set of cellular processes. Animal models lacking IP 3 Rs in different …

Cellular effects of BAPTA: Are they only about Ca2+ chelation?

F Sneyers, F Speelman-Rooms, SHL Verhelst… - … et Biophysica Acta (BBA …, 2023 - Elsevier
Intracellular Ca 2+ signals play a vital role in a broad range of cell biological and
physiological processes in all eukaryotic cell types. Dysregulation of Ca 2+ signaling has …

IP3 receptors: An “elementary” journey from structure to signals

HA Smith, NB Thillaiappan, AM Rossi - Cell Calcium, 2023 - Elsevier
Abstract Inositol 1, 4, 5-trisphosphate receptors (IP 3 Rs) are large tetrameric channels
which sit mostly in the membrane of the endoplasmic reticulum (ER) and mediate Ca 2+ …

Dissociation of inositol 1, 4, 5-trisphosphate from IP3 receptors contributes to termination of Ca2+ puffs

HA Smith, CW Taylor - Journal of Biological Chemistry, 2023 - ASBMB
Ca 2+ puffs are brief, localized Ca 2+ signals evoked by physiological stimuli that arise from
the coordinated opening of a few clustered inositol 1, 4, 5-trisphosphate receptors (IP 3 Rs) …

GRPR down-regulation inhibits spermatogenesis through Ca2+ mediated by PLCβ/IP3R signaling pathway in long-term formaldehyde-exposed rats

Y Yang, R Sun, P Ge, WX Li, X Zhang, J Zhang… - Food and Chemical …, 2023 - Elsevier
Formaldehyde (FA), which is known as an air pollutant, has been proven to induce male
infertility. However, the underlying mechanism of FA-induced male infertility remains elusive …

Disrupted Ca2+ homeostasis and immunodeficiency in patients with functional IP3 receptor subtype 3 defects

J Neumann, E Van Nieuwenhove, LE Terry… - Cellular & Molecular …, 2023 - nature.com
Calcium signaling is essential for lymphocyte activation, with genetic disruptions of store-
operated calcium (Ca2+) entry resulting in severe immunodeficiency. The inositol 1, 4, 5 …