Novel roles of phosphoinositides in signaling, lipid transport, and disease

GRV Hammond, JE Burke - Current Opinion in Cell Biology, 2020 - Elsevier
Phosphoinositides (PPIns) are lipid signaling molecules that act as master regulators of
cellular signaling. Recent studies have revealed novel roles of PPIns in myriad cellular …

Structural diversity within the endoplasmic reticulum—from the microscale to the nanoscale

CJ Obara, AS Moore… - Cold Spring Harbor …, 2023 - cshperspectives.cshlp.org
The endoplasmic reticulum (ER) is a continuous, highly dynamic membrane compartment
that is crucial for numerous basic cellular functions. The ER stretches from the nuclear …

Genetic pain loss disorders

A Lischka, P Lassuthova, A Çakar, CJ Record… - Nature Reviews …, 2022 - nature.com
Genetic pain loss includes congenital insensitivity to pain (CIP), hereditary sensory
neuropathies and, if autonomic nerves are involved, hereditary sensory and autonomic …

Heteromeric clusters of ubiquitinated ER-sha** proteins drive ER-phagy

H Foronda, Y Fu, A Covarrubias-Pinto, HT Bocker… - Nature, 2023 - nature.com
Membrane-sha** proteins characterized by reticulon homology domains play an
important part in the dynamic remodelling of the endoplasmic reticulum (ER). An example of …

Axonal endoplasmic reticulum dynamics and its roles in neurodegeneration

Z Öztürk, CJ O'Kane, JJ Pérez-Moreno - Frontiers in neuroscience, 2020 - frontiersin.org
The physical continuity of axons over long cellular distances poses challenges for their
maintenance. One organelle that faces this challenge is endoplasmic reticulum (ER); unlike …

Defective lysosome reformation during autophagy causes skeletal muscle disease

MJ McGrath, MJ Eramo, R Gurung… - The Journal of …, 2021 - Am Soc Clin Investig
The regulation of autophagy-dependent lysosome homeostasis in vivo is unclear. We
showed that the inositol polyphosphate 5-phosphatase INPP5K regulates autophagic …

Functions of oxysterol-binding proteins at membrane contact sites and their control by phosphoinositide metabolism

F Nakatsu, A Kawasaki - Frontiers in Cell and Developmental Biology, 2021 - frontiersin.org
Lipids must be correctly transported within the cell to the right place at the right time in order
to be fully functional. Non-vesicular lipid transport is mediated by so-called lipid transfer …

Oligomeric scaffolding for curvature generation by ER tubule-forming proteins

Y **ang, R Lyu, J Hu - nature communications, 2023 - nature.com
The reticulons and receptor expression-enhancing proteins (REEPs) in the endoplasmic
reticulum (ER) are necessary and sufficient for generating ER tubules. However, the …

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 …

Atl (atlastin) regulates mTor signaling and autophagy in Drosophila muscle through alteration of the lysosomal network

S Srivastav, K van der Graaf, P Singh, AB Utama… - Autophagy, 2024 - Taylor & Francis
The hereditary spastic paraplegias (HSPs) represent a family of genetic disorders
comprising at least 72 different genes with the common pathology of progressive locomotor …