Results 91 to 100 of about 363,126 (392)

Chronic cholesterol depletion increases F-actin levels and induces cytoskeletal reorganization via a dual mechanism

open access: yesJournal of Lipid Research, 2022
Previous work from us and others has suggested that cholesterol is an important lipid in the context of the organization of the actin cytoskeleton.
Parijat Sarkar   +3 more
doaj  

Spatiotemporal model of a key step in endocytosis: SNX9 recruitment via phosphoinositides [PDF]

open access: yesarXiv, 2013
Clathrin mediated endocytosis (CME) is an ubiquitous cellular pathway that regulates central aspects of cell physiology such as nutrient uptake, modulation of signal transduction, synaptic transmission and membrane turn-over. Endocytic vesicle formation depends on the timed production of specific phosphoinositides and their interactions with various ...
arxiv  

Targeted polypharmacology: discovery of dual inhibitors of tyrosine and phosphoinositide kinases. [PDF]

open access: yes, 2008
The clinical success of multitargeted kinase inhibitors has stimulated efforts to identify promiscuous drugs with optimal selectivity profiles. It remains unclear to what extent such drugs can be rationally designed, particularly for combinations of ...
Aizenstein, Brian   +9 more
core  

An amphitropic cAMP-binding protein in yeast mitochondria [PDF]

open access: yes, 1989
: We describe the first example of a mitochondrial protein with a covalently attached phos-phatidylinositol moiety acting as a membrane anchor. The protein can be metabolically labeled with both stearic acid and inositol.
Bandlow W.   +43 more
core   +3 more sources

Tor, a Phosphatidylinositol Kinase Homologue, Controls Autophagy in Yeast*

open access: yesJournal of Biological Chemistry, 1998
Autophagy is a bulk protein degradation process that is induced by starvation. The control mechanism for induction of autophagy is not well understood. We found that Tor, a phosphatidylinositol kinase homologue, is involved in the control of autophagy in
Takeshi Noda, Y. Ohsumi
semanticscholar   +1 more source

Rethinking phosphatidylinositol 3-monophosphate

open access: yesBiochimica et Biophysica Acta (BBA) - Molecular Cell Research, 2009
A generally accepted view considers phosphatidylinositol 3-monophosphate (PtdIns3P) as a lipid confined to the endosomal compartment where it regulates trafficking pathways and is produced constitutively and exclusively by class III phosphoinositide 3-kinase (PI3K). Recent evidence suggests that this phosphoinositide has a more complex role as a second
Falasca M, Maffucci T
openaire   +5 more sources

Targeting the AKT/mTOR pathway attenuates the metastatic potential of colorectal carcinoma circulating tumor cells in a murine xenotransplantation model

open access: yesMolecular Oncology, EarlyView.
Dual targeting of AKT and mTOR using MK2206 and RAD001 reduces tumor burden in an intracardiac colon cancer circulating tumor cell xenotransplantation model. Analysis of AKT isoform‐specific knockdowns in CTC‐MCC‐41 reveals differentially regulated proteins and phospho‐proteins by liquid chromatography coupled mass spectrometry. Circulating tumor cells
Daniel J. Smit   +19 more
wiley   +1 more source

Effects of free fatty acids on glucose transport and IRS-1-associated phosphatidylinositol 3-kinase activity.

open access: yesJournal of Clinical Investigation, 1999
To examine the mechanism by which free fatty acids (FFA) induce insulin resistance in human skeletal muscle, glycogen, glucose-6-phosphate, and intracellular glucose concentrations were measured using carbon-13 and phosphorous-31 nuclear magnetic ...
Alan Dresner   +11 more
semanticscholar   +1 more source

MET and NF2 alterations confer primary and early resistance to first‐line alectinib treatment in ALK‐positive non‐small‐cell lung cancer

open access: yesMolecular Oncology, EarlyView.
Alectinib resistance in ALK+ NSCLC depends on treatment sequence and EML4‐ALK variants. Variant 1 exhibited off‐target resistance after first‐line treatment, while variant 3 and later lines favored on‐target mutations. Early resistance involved off‐target alterations, like MET and NF2, while on‐target mutations emerged with prolonged therapy.
Jie Hu   +11 more
wiley   +1 more source

Lipidomics of cellular and secreted phospholipids from differentiated human fetal type II alveolar epithelial cells

open access: yesJournal of Lipid Research, 2006
Maturation of fetal alveolar type II epithelial cells in utero is characterized by specific changes to lung surfactant phospholipids. Here, we quantified the effects of hormonal differentiation in vitro on the molecular specificity of cellular and ...
Anthony D. Postle   +6 more
doaj  

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