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  • Article
  • Open Access
788 Views
25 Pages

Reducing PI4KIIIα Levels or Activity Limits Tau Seed Internalization and Assembly in Human Cortical Neurons

  • Eleonora Clemente,
  • Ramakrishnan Sivasubramanian,
  • Susanne Kordes,
  • Priyanka Bhatia and ,
  • Ruth Hans,
  • Stefanie Vogel,
  • Matthias Baumann,
  • Bert Klebl and
  • Jared Sterneckert
  • + 4 authors+ 0 author

7 July 2026

Tau protein aggregation and spreading are central features of neurodegenerative diseases such as Alzheimer’s disease and frontotemporal dementia. Here, we investigated the role of phosphatidylinositol 4-kinase type IIIα (PI4KIIIα) i...

  • Review
  • Open Access
47 Citations
14,224 Views
19 Pages

Phosphoinositides in the Hepatitis C Virus Life Cycle

  • Bryan Bishé,
  • Gulam Syed and
  • Aleem Siddiqui

19 October 2012

Eukaryotes possess seven different phosphoinositides (PIPs) that help form the unique signatures of various intracellular membranes. PIPs serve as docking sites for the recruitment of specific proteins to mediate membrane alterations and integrate va...

(This article belongs to the Special Issue Hepatitis C Pathology)
  • Article
  • Open Access
5 Citations
6,070 Views
20 Pages

1 December 2021

Phosphoinositides (PIs) are phosphorylated membrane lipids that have a plethora of roles in the cell, including vesicle trafficking, signaling, and actin reorganization. The most abundant PIs in the cell are phosphatidylinositol-4,5-bisphosphate [PI(...

(This article belongs to the Section Cell Biology and Tissue Engineering)
  • Review
  • Open Access
2,223 Views
13 Pages

A Potential Role of EFR3A in Human Disease States

  • Karolina Marek-Bukowiec,
  • Magdalena Trybus,
  • Anita Hryniewicz-Jankowska,
  • Aleksander Czogalla and
  • Aleksander F. Sikorski

22 March 2025

EFR3A is a conserved peripheral membrane protein required for the plasma membrane localization of the phosphatidylinositol-4 kinase (PI4KIIIα/PI4KA) complex and for regulating the responsiveness of G-protein-coupled receptors. Additionally, it...

(This article belongs to the Collection Feature Papers in 'Biomacromolecules: Proteins')
  • Review
  • Open Access
14 Citations
7,206 Views
21 Pages

A Plethora of Functions Condensed into Tiny Phospholipids: The Story of PI4P and PI(4,5)P2

  • Ana Bura,
  • Sara Čabrijan,
  • Iris Đurić,
  • Tea Bruketa and
  • Antonija Jurak Begonja

17 May 2023

Phosphoinositides (PIs) are small, phosphorylated lipids that serve many functions in the cell. They regulate endo- and exocytosis, vesicular trafficking, actin reorganization, and cell mobility, and they act as signaling molecules. The most abundant...

(This article belongs to the Special Issue Exclusive Review Papers in "Cell Signaling")